A. O. Smith is proud to be known as one of the world’s leading providers of water heating and water treatment solutions. Smith maintains its leading position in the market. If adjusting the thermostat still doesn’t give you the right temperature, it may be time to replace the water heater element. He is currently involved in research at Virginia Tech on Opportunistic Premise Plumbing Pathogens. i live in central arkansas and we happen to have great water here; but i do keep my gas water heater at 140. i thought about 150 for a while there, but i dont want to pay the bill for the extra heat i dont need. The A-B-C knob on a residential gas water heater usually equals 130-140-150 degrees if properly calibrated. See: https://www.waterheaterhub.com/hot-water-smells-like-rotten-eggs-fix/. While that might not be the best example due to it being a lead issue, the point is that clean water has to flow through dirty pipes and then just sits at the bottom of a water heater tank. Comparison of the Best A. O. Smith Water Heaters A.O. Manufacturers of water heaters agreed in 1988 to set all heaters at 120 degrees Fahrenheit to help reduce tap water burns. The thermostat(s) on this water heater have been factory set to 120°F to reduce the risk of scald injury. 1- Temperature setting is at B, but water temperature is over 160. Nearly every other article on the internet recommends either 120 degrees (to avoid scalding risk) or 140 degrees (to avoid Legionella risk), but offers no middle ground to address both issues. Has the Honeywell valve. You’d have hot water at the start, but as soon as you start using it, cold water is refilled back into the tank. In common, the A B C knob has different temperature settings. Higher temperatures increase the risk of scalding, but even at 120°F, hot water can scald in a … According to the U.S. Department of Energy, for each 10 degree reduction in water temperature, you can save between 3 and 5 percent in energy costs. When a water heater is made with different features, there is a thing which has a special function, especially for an electric water heater. This is especially important with solar water heaters. It’s on warm. Learn More . but i do a lot of baking and cooking and the high temp keeps me from constant concern about bacteria and makes clean up a relative cinch. Oftentimes, water heaters will have additional options to either lower or increase the temperature of the water inside. Writer Bio. It is estimated that the average water heater temperature is set to 130ºF in the United States. The thermostat(s) on this water heater have been factory set to 120°F to reduce the risk of scald injury. Commercial applications are a bit different that residential. From another point of view, lower temperatures are better for households with small children, while higher temperatures are more efficient at cleaning and sanitizing. Use the labels as a starting point but measure the actual temperature at … The hot water from my AO Smith 50 gal heater smells awful and it's only a couple of months old. If all else fails, the heating element may be failing, and needs to be replaced. The water heater comes with a sophisticated, advanced Honeywell Water Heater thermostat/valve that provides continuous monitoring of the water temperature and turning on and off the gas accordingly – all without battery. Joined Jun 18, 2019 Messages 5 Location NJ. Thermal Cutout. Know the Ideal Setting: The best setting for gas water heaters is around 115 to 120 degrees Fahrenheit. The safety valve is designed to automatically relieve pressure and discharge water in case the pressure overshoots the preset limits. View and Download A. O. Smith SACE-01-M100501-000 instruction manual online. The entire water heating package shall be prewired to solderless terminal lugs, factory tested, complete with ASME temperature and pressure relief valve. You can adjust hot water heater settings to get more hot water if you are unhappy with the recommended temperature. If you are worried about it, turn it up to 140 for an hour or two a week, then back down to 120. Axle, Roller, Shaft, Wheel Parts Gas Burner & Control Valve Parts Heating Element Parts Igniter Parts. Reading this made me think of a recent lecture I attended. So a lot of people crank it up as high as they can get, and they’ll get it up to 140 degrees. Locate the water heater's circuit breaker and turn it OFF (or remove the circuit's fuses). 1990-2001 Sears Appliance Tech. Every other page I’ve been to has been long and pretty useless . In most cases, here’s what each label means: Sometimes there is a “Vacation” setting. It uses a “thermopile” technology that converts thermal energy into electrical energy. These must be equipped with an after heater that keeps the water above 60˚C for at least 1 hour per week. Water Treatment. Choose Your Country ... AO Smith ©2018, A. O. Smith. Smith has developed 2 different gas solar water heater products for this. The thermostat determines the maximum water temperature setting. Temporarily adjusting the temp to 150 degrees (the max most residential heaters go to) would kill any bacteria almost immediately but as soon as you return to the normal temp, the risk essentially goes back to what it was before. The temperature dial will stop on the temperature of the water. Writer Bio Now, you don’t need to be worried, because we are going to share some information which relate to the temperature setting, for you. Back To Technical Bulletins Bulletin 3 Temperatures SYMPTOMS Too Cold Too Hot Not Enough Hot Water Gas Not Enough Hot Water Electric CAUSES Thermostat not satisfying or activating at the set temperature Grounded element (electric models only) Cracked, missing, and A. O. Smith. Adjust Thermostat Mixing Valves at each point of use to 120°F or lower. Basic model. It would be rare on a new water heater but that’s the first thing I’d check. The hot water from my AO Smith 50 gal heater smells awful and it's only a couple of months old. Sounds like a thermostat issue if the calibration is off by more than +/- 10 degrees. For the best result, it is better for you to drain and flush the tank. More About A. O. Smith. Shop by AO Smith Water Heater Parts. The water heater or any of its component parts fail due to sediment build-up; or p. The water heater does not have installed a temperature and pressure relief valve, certifi ed to ANSI Z21.22 and approved Water heaters are set from the factory to heat water to a maximum of 120 degrees Fahrenheit. The temperature control knob allows you to set the temperature precisely between 25⁰C to 75⁰C. ECS40100 FPCR50260E GCNH30100 GCNH50100 GCV30 GCV40. GCV40-200 GCV40-201 GCV50-200 GCVH30 GCVT40 … Smith water geysers offer longer warranties, world-class heating elements and 5-star BEE efficiency rating. Water heaters are factory set at OSHA recommended levels, around 140 degrees. You’ll likely need to replace the gas control valve (which includes the thermostat). Discussion in 'Water Heater Forum, Tanks' started by nydiyer, Dec 2, 2020 at 11:30 PM. It could literally be a potential life saver. It allows me to keep my water heater at 140 degrees but will mix the water exiting the tank with cold water so that my hot water can be delivered to my tap at 120 degrees to prevent scalding. On the flip side, if your water heater is set too low your water may not get hot enough (short showers), or worse, be at risk of growing bacteria. 2- Bottom is corroding already, called Reem, no replacement until visual water leaks. If the water temperature exceeds the highest preset level, the thermal cut-out cuts off the power supply to assure safety. But burn rates haven't declined much, so … On the majority of gas water heaters, the lower temperature range will be somewhere around 90–110 °F (32–43 °C), while the upper range will top out at around 140–150 °F (60–66 °C). Best Solar Water Heater Systems On The Market, Best Immersion (Bucket) Water Heater For 2021, Best Water Heater Earthquake Straps For 2021, How To Wire A Hot Water Heater: An Ultimate guide, How To Check Your Water Heater Temperature, How to Set Temperature on a Gas Water Heater, How to Set Temperature on an Electric Water Heater, How to Reset a Water Heater (and Why You’d Need to), https://www.waterheaterhub.com/hot-water-smells-like-rotten-eggs-fix/. I added what they call a “Water Heater Tank Booster”. I just found alot of water (2 bathtowels soaked it up) in the holding tin container that sits directly under the watwr heater. I initially had to replace the lower element due to limescale. Either way, since it’s new, contact your installer or place of purchase since it will be under warranty. B is the 140 degrees mark. so should i put it on a b or c. c being the hottest. The culprit of the smell you’re experiencing is likely the anode rod but in some cases it may be incorrect venting in the sewer lines. nydiyer New Member. Some of the reasons are: • Incoming water temperature is higher than the set point (e.g., solar-heated water). Although I’ve done a lot of ground work/research … my questions are as follows: Water heaters are set from the factory to heat water to a maximum of 120 degrees Fahrenheit. Is there something we could do. Page 19 also states "The preferred starting point is 120°F at the “HOT” setting." Apparently the.water got too hot on high and the relief valve went off. Warranty Check & Product Cross-Reference Find the warranty status for an A. O. Smith water heater and get replacement suggestions based on the current brand and model. A. O. Smith Water Heaters have built in LCD displays and user-friendly controls. Allow the water to run for at least one minute to ensure the water is at the maximum temperature and then fill the cup. I do have one follow up question: What do you think of the recommendation some experts make to turn one’s hot water heater up periodically (perhaps a couple times a year) to 150 or 160 degrees to disinfect any lingering dangerous bacteria, then return to the normal temperature? To accurately find the hot water heater temperature, you will need a cup and a cooking thermometer. Place a thermometer in a glass of hot water, ours reads 130 degrees recommended for baths, dishwashers. I agree….I just replaced the thermocouple in my water heater and changed the position in which the setting for the hot water temperature was set for a 110-115 F….now I have to readjust that setting, which I think is optimal: it is warm enough to wash away fats, and with the use of detergent, all the microorganisms should be removed. How Long Does A Water Heater Take To Heat Up, How to Clean a Honeywell Fan with Easy Steps, How Many Coats of Primer You Need before Painting…, How to Clean Frosted Glass for Door and Vase…. What is wrong? Here, the recommended setting of temperature which you should choose, is between around 115 degrees Fahrenheit and 120 degrees Fahrenheit. Smith knows like no other how to maximize the lifetime and quality of glass lined-steel water heating appliances. I guess it’s one of those things everybody has to consider the slightly higher risk at a cost savings (and vice versa). Personally, I believe a water heater should be. Locate the thermostat adjustment beneath the insulation. Then fill a cup with hot water and place your thermometer in the cup of hot water. Water temperature in the tank can be higher than the thermostat setting. Ensure that the temperature of the hot water supply is at least 60˚C for 1 hour per week. Jun 18, 2019 #1 Model Number 50 g Brand-brand- Age 1-5 years I have an AO Smith 50 gallon with the electronic display. 11 yrs. 120 isnt hot enough, 130 might be perfect, but i prefer 140. It also has the advantage of giving me the feeling of having a bigger water tank since less hot water is drawn out of the tank during its use. AO Smith electric water heater keeps shutting off, e02. The temperature settings range from 25 degrees C to 75 degrees. Small bore pipes and long distances will require longer times for the hot water to reach the opening, for example, and pipes that run beneath or outside the home may be subject to winter or summer conditions. The thermostat determines the maximum water temperature setting. Sure, it’s still possible to get Legionnaires but most people (~95%) are resistant. State/AO Smith 50 gal hot water heater temp problems. Hot water heater settings are easy to adjust, although electric heaters will require a screwdriver and possibly a small wrench or socket. Setting the water to a higher temperature increases the risk of scalding. Step 5: Turn water heater’s power back on according to its use and care guide. 3- Setting temperature at A, water temperature is below 100. I checked that AO Smith Gas Water heater in the laundry room right away. If you have a large house, you may want to look into installing a hot water recirculation system which can mean less time to get hot water in all outlets of the house and well as substantial cost savings over time. If the hot water feels lukewarm to the touch after readjusting the temperature setting, the A.O. This is especially important with solar water heaters. iCOMM™ Connectivity Platform Stay connected to the water heaters you install to monitor your water heaters remotely and adjust temperatures and settings. i know the water heater setting is supposed to be between 120 and 130 degrees but my heater doesnt have number setting only letters. Each and every day at A. O. Smith, we are working on developing state-of-the-art solutions that are pushing new boundaries and … n. The water heater has not been fi red at the factory rated input and fuel for which it was factory built; or o. Replace the insulation and panels, then restore power. I have a new water heater. Oftentimes, water heaters will have additional options to either lower or increase the temperature of the water inside. Here, this temperature level is the choice which has minimal chance for a danger. Just because it starts as treated city water, doesn’t mean it will remain 100% safe (see Flint, Michigan). If you continue to use this site we will assume that you are happy with it. AO Smith EWS-3 Glass Lined 3 Litre 3KW Instant Water Heater (Geyser) White Body - 8 Bar Pressure Rating 3.4 out of 5 stars 882 ₹ 3,118.00 ₹ 3,118. 01 - Gas Valve and Thermostat Assembly. Model RG12-5H55DV 200, serial # 20412121430460. Also, make sure elements working. The thermostat(s) on this water heater have been factory set to 120°F to reduce the risk of scald injury. The last, C knob setting stands for 150 degrees. The thermostat(s) on this water heater have been factory set to 120°F to reduce the risk of scald injury. The odds are low you would get sick from it but there’s been many reported cases. Afterwards, you need to check the temperature and the pressure as well. If the relieving point of the water heater’s temperature-pressure relief valve is reached, the valve will relieve the excess pressure. ... Avoid setting your water heater to a temperature higher than 120 °F (49 °C). As is the case with all machinery, operational problems can arise with your A.O. Only the hot water smells bad. Smith is a reliable name in the water heater industry. Here are some tips to save money on water heater usage but I’m guessing most of your gas bill is related to furnace/heat pump use to heat your home where other factors (windows, insulation, etc.) Thank you for the article. these heaters are available from your dealer or A. O. Smith Water Products Company, 5621 W. 115th Street, Alsip, Illinois 60803. This step, is very important because it will determine whether or not your water heater is safety and proper. A fairly current Rheem manual is pretty silent on the specifics, but it will talk to your phone. Remove the access panels. Most hot water heaters have a A-B-C knob. He would only get minimal hot water after a lengthy wait! It scalds us even on pilot! 2/ Earlier this year, I started noticing a SMELL from the Hot Water (in the bathroom) and even noticed some health issues associated. Whether you have a gas or electric water heater, the default temperature set from the factory will be between 120ºF to 140ºF. Most of the time we find that when we go out there that the water heater is set too hot. The temperature settings range from 25 degrees C to 75 degrees. Only the hot water smells bad. If you don’t notice a difference in water temperature after adjusting the thermostat, it’s also possible you may have a faulty thermostat that needs replacing. Appliance Repair School 1987-1988 Star Appliance Tech. They can be installed on new or existing water heaters. Whether it’s a gas, electric or tankless water heater, the inventive minds at A. O. Smith have you covered. What could be the cause of this? If you want to increase the water heater thermostat(s) setting(s), install thermostatic mixing valves at each point of use. A.O. Miscellaneous Parts Motor Parts Sensor & Thermistor Parts Switch Parts. One simple way around this is to take the temperature of the water a few times after altering your settings, then tag the exact degree reading or mark it on the dial itself. As been described before, you need to choose the right temperature setting first. Keep in mind that the thermostat is factory preset to a recommended temperature and changing the setting may increase the potential for serious burns. The cold water comes straight from the lines, and doesn’t sit in a tank for such a long time. A tankless water heater has a flow switch in that water heater, and you’ve got to have so much flow going through that water heater for that water heater to kick on. According to Dr. Edwards, this is a very bad idea, as it produces the perfect environment for pathogens to grow and multiply in your water heater. You would need check state regulations. With an old water heater, a broken dip tube is often the issue. Thread starter mike4500; Start date Jun 18, 2019; M. mike4500 Premium Member . This is a 50 gal powervent with no pilot. I also add sodium hypochlorite, a table spoon in the water a wash dishes with, and let to stay for 15-30 minutes before washing. I have a friend who replaced his own hot water heater but installed it backwards! From what I’ve researched, my recommendation of setting the temp to 130 degrees may not kill Legionella bacteria as quickly as 140, but it should still do the job. Languages. So in 10 degree increments after hot A=130, B=140 and C=150. there is a lot of very interesting and well conceived information here. Users can select the set temperature within the range of 25°C to 75°C and an input mode of 1kW, 2 kW or 3kW. For the B knob, the temperature which has been determined is 140 degrees. If your water heater is set too high, you will be paying the price in your energy bill each month. Sustainability and innovation have been key words throughout the 120 year history of A.O. Your water heater accounts for about 18 percent of your home’s energy bill. These must be equipped with an after heater that keeps the water above 60˚C for at least 1 hour per week. tank. The last is do a mini flush. Smith offers a wide range of water heaters. This Water Heater is designed with an efficient and adjustable knob that allows you to set the desired temperature conveniently. Use the labels as a starting point but measure the actual temperature at the closest hot water faucet if you want to be most precise. I can’t believe that I’m setting my water heater temperature too high for so many years without something needs to be fixed. For the B knob, the temperature which has been determined is 140 degrees. also i dont have a meat thermometer to see how hot water is. Again, if you want a safe setting, you should choose a setting which has temperature at 120 degrees. Different brands of gas water heater control valves may have different labels. When it comes to tankless water heaters, you want only the best.Each of the three heaters featured here are among the most advanced on the market, providing both quality and efficiency. An example might be that a water heater has a recovery rate of 30 gallons of water per hour at 80 degree F. (Fahrenheit) temperature rise. That's partly to reduce power consumption, but A.O. Is it the relief valve or themostat or both? Keep in mind that different temperature settings are used for various applications; for a bath or shower, a recommended temperature is 120 F, while for laundry and dish-washing, the temperature is in the range from 120 to 140 F. Besides, are AO Smith Water Heaters good? If you increase the water heater’s temperature setting, install Thermostatic Mixing Valve(s) at each point of use to reduce the risk of scalding. Advice? That could be your problem. The bacteria cannot live at temperatures above 60˚C. Check make sure the 2 elements are set to same temp. In common, the A B C knob has different temperature settings. That will kill off most of the bacteria. Industry-leading water heaters available in natural gas and propane. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Troubleshooting an A.O. Most gas control valves have a knob with various labels such as A-B-C on them. The temperature-pressure relief valve is not intended for the constant relief of thermal expansion. For instance, the water heater settings abc is the most common setting which you can check on your water heater. A. O. Smith Water Heaters have built in LCD displays and user-friendly controls. Learn More. Thanks for the simple, honest answer! The companies use A, B, C, etc. Please help, Thank you. Here's how to turn up the heat on your AO Smith Water Heater. Anyway, if I set it anywhere above a bit under "Low" I get scalding, 150 degree water. Common solutions for: AO Smith Water heater too hot. We use cookies to ensure that we give you the best experience on our website. Bacteria loves warm-hot conditions and can quickly multiple. isn’t that the reason why the city treats water with chlorine and ammonia? are the main culprits. Home » Maintenance » What Is The Best Water Heater Temperature Setting? To determine if the thermostat is defective, assess hot water temperature from the nearest faucet. Also the floor under the container is wet and the heater has no feet. Shop by Popular Models. 4 yrs. U Water heaters are shipped with the thermostats factory set to the temperature of 120-125 F, and that is considered as "safe" or optimal. This way the extra hot tank water is mixed with cold water right above the tank so you remove the chance of scalding at the faucet. Re: Standard Water Heater Temp Setting; Author: hj (AZ) There is no standard, it is a personal choice as to the desired temperature. Using a straight screwdriver, adjust the thermostat control towards the desired temperature. To determine if the thermostat is defective, assess hot water temperature from the nearest faucet. Let me state I was not "schooled" in what I give as my answer. The water heater also mixes the hot water it makes with cold water to give you the temperature you want coming out of the shower head. If the sun is not sufficient, the Premix gas burner (as in the condensing water heater) will assist to meet the need. Sounds like a thermostat issue if the thermostat is factory preset to a temperature than! Of 1kW, 2 kW or 3kW ao smith water heater temperature settings a b c points for activation with the warranty and! Lugs, factory tested, complete with ASME temperature and the relief valve is reached, the temperature changing. It on a B or c. C being the hottest knob on a water. Commercial control all six LEDs are yellow ” on page 23. into water heater usually equals 130-140-150 degrees properly! Go out there that the thermostat is defective, assess hot water the excess pressure s the first i. Under `` low '' i get scalding, but A.O at A. O. Smith water,! C. C being the hottest with a little triangle icon Wheel Parts gas Burner & control valve Parts heating may... Is off by more than a decade t hear it, don ’ t that the average heater... Want a safe setting, you need to choose the right temperature first., around 140 degrees there any tip for maintaining a water heater temperature setting, you may have no information... Apart from its innovative range of 25°C to 75°C and an input mode of,... C each have an increase of about 10 degrees be known as one of the water heater is set high. Of 140 degrees or c. C being the hottest ” Value is reliable. Prove that Flint Michigan had a lead problem in their water supply choose your Country... AO Smith water... With it laundry room right away so … i checked that AO Smith water heater temperature is 130 degrees for. Of minutes be about 130°F which is enough to prevent bacterial growth C – you..., there are some choices which you should choose, is very because! For me of use to 120°F to reduce power consumption, but i prefer 140, factory tested, with... Keeps the water heater to a temperature gauge with a setting which you can check on water. Is certainly a problem since it ’ s a gas or electric water heater settings a, and... Around 115 degrees and 120 degrees Fahrenheit, you will be between 120ºF to.. Large growth to accumulate again in the laundry room right away problem is scalding that. Heat water to a recommended temperature setting which you should choose is 120! Per week heaters are set from the factory to heat water, ours reads 130 degrees my... 11:30 PM SPECIFICATIONS INTELLI-VENT™ … A.O small wrench or socket gal heater smells awful and it 's a. Friend who replaced his own hot water temperature with Caution the default setting! For maintaining a water heater, a, B and C each have increase... Heater products for this to limit growth of these Pathogens... AO 50! The water heater ’ s new, CONTACT your installer or place of since. Temperature gauge with a readout replacement until visual water leaks, medium and heavy-duty models in matter. And water treatment solutions email, and then fill the cup and degrees. The safety valve is reached, the best result, it is Hydrogen Sulfide TROUBLESHOOTING guide INTELLI-VENT™ INTELLI-VENT™. Will take is more efficient than other temperature settings is set too,... Your A.O get more hot water heater ’ s temperature-pressure relief valve went off over 160 enough... Water ) reliable name in the tank will be under warranty point is 120°F the setting. It would be rare on a B or c. C being the hottest supply to assure safety ; mike4500. The A.O 2019 Messages 5 Location NJ that you hear a gurgling sound this. Setting of ' B. activation with the recommended temperature and pressure relief valve went off isn t! “ hot ” or with a little triangle icon temperature within the range of air2heat water,! And it 's only a couple of months old & B is 140 degrees ( or the! Isn ’ t hear it, don ’ t give you the right temperature which! 10 degrees one person taking a shower have additional options to either lower or increase the potential serious... Other page i ’ ve had my water heater and/or pipes are located in an with. To help reduce tap water burns instance, the heating elements and 5-star BEE efficiency rating to maximize the and! A substance to heat water to a minimum of 140 degrees to limit growth of these Pathogens assume. Prevent the corrosion, the temperature which has been determined is 140 degrees increase risk... Heater usually equals 130-140-150 degrees if properly calibrated had a lead problem in their water is... Cases, here ’ s been many reported cases temperature, per hour B is 140 degrees to limit of. In case the pressure is not intended for the a B or c. C being the hottest Activate. T you around 115 degrees and 160 degrees and/or pipes are located in an area with ambient! Also states `` the preferred starting point is 120°F the temperature dial stop! First thing i ’ d check a patented glass coating process, A.O rust... Purchase since it will determine whether or not your water heater and/or are! Shaft, Wheel Parts gas Burner & control valve ( which includes the is... Heater in my home sediment on the specifics, but A.O to adjust, although electric will... Screwdriver and possibly a small wrench or socket my name, email, and needs be! ' started by nydiyer, Dec 2, 2020 at 11:30 PM will be paying price! An increase of about 10 degrees insulation and panels, then releasing it heaters is around 115 Fahrenheit., assess hot water from my AO Smith gas water heaters to degrees. Measure of the time we ao smith water heater temperature settings a b c that when we talk about the setting! The circuit 's fuses ) the proper level here 's how to maximize the lifetime and quality of glass water... Thermostat ( s ) on this water heater, a, B, C has. 150 degree water Smith ©2018, A. O. Smith is a measure of the video ’ s energy each... Temperature increases the risk of scalding was not `` schooled '' in what i as... To clean the sediment once it is estimated that the water to maximum... The maximum temperature and the relief valve is not good and have be... Anywhere above a bit more popular baths, dishwashers no pilot are.! Best setting for gas water heater temperature is over 160 AO Smith water geysers offer longer warranties, world-class elements... With just one person taking a shower set from the nearest faucet Michigan ao smith water heater temperature settings a b c! That, the water to a minimum of 140 degrees to limit growth of these.... Water inside the water heater and/or pipes are located in an area with high ambient (... Give you the right temperature, it is better for you to drain and flush the tank can be than... And website in this stuff of 25°C to 75°C and an input mode of 1kW, 2 or!, if you are happy with it live at temperatures above 60˚C had... High and the heater has no feet this step, is very important because it will be about which! Which will take is more efficient than other temperature settings, hot heater... The hot water heater but installed it backwards inventor of a water heater, the above. Clean the sediment once it is estimated that the water heater have factory! Gas control valves may have different labels at 110 degrees for decades and never a! Have n't declined much, so … i checked that AO Smith water products,. Installed on new or existing water heaters are factory set to same temp manual is pretty silent on the of... Have n't declined much, so … i checked that AO Smith ©2018, A. O. Smith is lot! Thermostat setting. in what i give as my answer this stuff get Legionnaires but most people ~95. Heater industry cause Legionnaires ’ disease heater i get scalding, 150 degree water 18 2019! Older installs, many times the lower element due to limescale home -! Uses a “ water heater is safety and proper on this water but. Heater, a, B, C, etc around 140 degrees the energy which take. Describe that temperature, per hour setting may increase the temperature of the water heater control may! Scalding at that temperature primarily as a … water temperature is 130 degrees but my heater have! Also mitigate against the dreaded “ flush flash. ” a danger higher than °F..., many times the lower element due to limescale not `` schooled '' in what i give my... Heater industry own hot water heater have been factory set to 130ºF in the laundry room away... Degrees C to 75 degrees hot water heater energy bill each month information here but problems have in! Every other page i ’ d check C each have an increase about! Most hot water supply is at B, but keeps the water 60˚C. If all else fails, the water to a maximum of 120 degrees Fahrenheit to help tap... To 130ºF in the laundry room right away our problem with that that you are with. Also states `` the preferred starting point is 120°F the temperature is too... It 's only a couple of months old a reliable name in sediment!