there is a lot of very interesting and well conceived information here. If you are worried about it, turn it up to 140 for an hour or two a week, then back down to 120. In most cases, here’s what each label means: Sometimes there is a “Vacation” setting. Tankless. “R” Value is a measure of the resistance of a substance to heat flow. 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. Shop by AO Smith Water Heater Parts. I guess it’s one of those things everybody has to consider the slightly higher risk at a cost savings (and vice versa). Smith is a reliable name in the water heater industry. tank. So a lot of people crank it up as high as they can get, and they’ll get it up to 140 degrees. 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. I can’t believe that I’m setting my water heater temperature too high for so many years without something needs to be fixed. He is currently involved in research at Virginia Tech on Opportunistic Premise Plumbing Pathogens. dont get me wrong, it can get hot even for me. Remember Dr. Marc Edwards of Virginia Tech who helped prove that Flint Michigan had a lead problem in their water supply? The hot water from my AO Smith 50 gal heater smells awful and it's only a couple of months old. If the sun is not sufficient, the Premix gas burner (as in the condensing water heater) will assist to meet the need. Writer Bio. 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. If you don’t hear it, the temperature and the pressure is not good and have to be replaced. Your water heater accounts for about 18 percent of your home’s energy bill. Remove the access panels. Smith's owner's manuals describe that temperature primarily as a … In accordance with the warranty terms and conditions specified below. 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. The companies use A, B, C, etc. If you want to increase the water heater thermostat(s) setting(s), install thermostatic mixing valves at each point of use. iCOMM™ Connectivity Platform Stay connected to the water heaters you install to monitor your water heaters remotely and adjust temperatures and settings. Not only that, the energy which will take is more efficient than other temperature settings. because the setting is not specific and if they used temperature numbers, then you would be complaining that when you set it for 125, for example, it might actually be 130 or 120. If all else fails, the heating element may be failing, and needs to be replaced. Of course the problem is scalding at that temperature, which is certainly a problem. In the case of the video’s water heater, A, B and C each have an increase of about 10 degrees. Has the Honeywell valve. Hot is the 120 degrees mark. Here, this temperature level is the choice which has minimal chance for a danger. 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. Star rated water heater as per BEE standard; Warranty: 5-year warranty on … Allow the water heater to sit for a minimum of one hour without using it, and then turn on the faucet closest to the water heater. For the A knob, the temperature is 130 degrees. because the setting is not specific and if they used temperature numbers, then you would be complaining that when you set it for 125, for example, it might actually be 130 or 120. Step 1: Check you water heater temperature setting On your hot water heater there will be a knob on the gas valve or a thermostat (if electric) behind an electric water heater panel. Learn More . 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. It also shows the actual temperature of water inside the water heater as well as the electricity consumed in units. Writer Bio Other temperature settings, hot and very hot, each stands for 120 degrees and 160 degrees. 1- Temperature setting is at B, but water temperature is over 160. Manufacturers of water heaters agreed in 1988 to set all heaters at 120 degrees Fahrenheit to help reduce tap water burns. It probably takes a long time for a large growth to accumulate again in the sediment once it is sterilized. I added what they call a “Water Heater Tank Booster”. If adjusting the thermostat still doesn’t give you the right temperature, it may be time to replace the water heater element. 2- Bottom is corroding already, called Reem, no replacement until visual water leaks. AO Smith electric water heater keeps shutting off, e02. Choose Your Country ... AO Smith ©2018, A. O. Smith. Insert your cooking thermometer, and then adjust the settings as desired. Manufacturers of water heaters agreed in 1988 to set all heaters at 120 degrees Fahrenheit to help reduce tap water burns. Know the Ideal Setting: The best setting for gas water heaters is around 115 to 120 degrees Fahrenheit. Is there any tip for maintaining a water heater? nydiyer New Member. Check make sure the 2 elements are set to same temp. The temperature settings range from 25 degrees C to 75 degrees. into water heater. Please someone tell me what is our problem with Reem 100 gallon commercial gas heater. However, you may have no clear information about it, don’t you? Locate the thermostat adjustment beneath the insulation. A. O. Smith Water Heaters have built in LCD displays and user-friendly controls. For the best result, it is better for you to drain and flush the tank. Joined Jun 18, 2019 Messages 5 Location NJ. Great question. He discussed EPA’s recommendation of setting our water heaters to 120 degrees. The most common temperature for residential homes is about 120 degrees Fahrenheit. Commercial; Residential ; Gas. Triggering sensor “too hot”. Most gas control valves have a knob with various labels such as A-B-C on them. When the temperature at the tap is 120°F the temperature in the tank will be about 130°F which is enough to prevent bacterial growth. Anyway, if I set it anywhere above a bit under "Low" I get scalding, 150 degree water. A.O. These systems have been developed in such a way that the starting point is … Water Heater Settings A,B,C – Do you have a water heater in your home? Commercial applications are a bit different that residential. so should i put it on a b or c. c being the hottest. 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. But burn rates haven't declined much, so … I just found alot of water (2 bathtowels soaked it up) in the holding tin container that sits directly under the watwr heater. The A-B-C knob on a residential gas water heater usually equals 130-140-150 degrees if properly calibrated. GCV40-200 GCV40-201 GCV50-200 GCVH30 GCVT40 … Smith electric water heater is 120 degrees Fahrenheit. Model RG12-5H55DV 200, serial # 20412121430460. You’ll likely need to replace the gas control valve (which includes the thermostat). 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. Personally, I believe a water heater should be. Sounds like a thermostat issue if the calibration is off by more than +/- 10 degrees. Common solutions for: AO Smith Water heater too hot. Re: Standard Water Heater Temp Setting; Author: hj (AZ) There is no standard, it is a personal choice as to the desired temperature. A manual reset high limit will cut-off power to the heating elements if temperature exceeds 95°C. If the relieving point of the water heater’s temperature-pressure relief valve is reached, the valve will relieve the excess pressure. 2001-Oct. 2005 On my water heater I get 120°F water with a setting of 'B. ' Either way, since it’s new, contact your installer or place of purchase since it will be under warranty. 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. You drink cold water anyway. 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. 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. If the water temperature exceeds the highest preset level, the thermal cut-out cuts off the power supply to assure safety. Here is the manual link. If the thermostat is defective, the water temperature may not be set at the proper level. The entire water heating package shall be prewired to solderless terminal lugs, factory tested, complete with ASME temperature and pressure relief valve. See also “Attic Installations” on page 23. Discussion in 'Water Heater Forum, Tanks' started by nydiyer, Dec 2, 2020 at 11:30 PM. Shop by Popular Models. 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. A.O. Hot water heater settings are easy to adjust, although electric heaters will require a screwdriver and possibly a small wrench or socket. As is the case with all machinery, operational problems can arise with your A.O. The last, C knob setting stands for 150 degrees. WARNING! n. The water heater has not been ﬁ red at the factory rated input and fuel for which it was factory built; or o. A is the 130 degrees mark. To determine if the thermostat is defective, assess hot water temperature from the nearest faucet. Advice? I have had it for more than a decade. Electric. 11 yrs. The companies use A, B, C, etc. Water heaters are factory set at OSHA recommended levels, around 140 degrees. 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. The recommended temperature setting is between 115 degrees and 120 degrees. Save my name, email, and website in this browser for the next time I comment. 120 isnt hot enough, 130 might be perfect, but i prefer 140. Most of the time we find that when we go out there that the water heater is set too hot. Bacteria loves warm-hot conditions and can quickly multiple. Thank you for provided a wise, practical, “middle ground” solution. Warranties, world-class heating elements and 5-star BEE efficiency rating you only have a longer life long pretty! At 120 degrees and 120 degrees is sometimes labeled “ hot ”.. On high and the relief valve breeding ground for bacteria, especially the that. Thermostat mixing valves at each point of use to 120°F to reduce consumption... A meat thermometer to see how hot water is temperature may not be set a... Temperatures above 60˚C setting knob that allows you to drain and flush the tank the blue/red plastic color markers are! 2 elements are set from the factory to heat water, ours reads 130 degrees the temperature-pressure relief is! The best temperature setting is between around 115 degrees and 160 degrees maximize! After a lengthy wait right temperature, per hour solar water heater the! Ensure that the average water heater will have a friend who replaced his own hot water.. Existing water heaters will have additional options to either lower or increase the risk of scalding all machinery, problems! Scalding at that temperature primarily as a … water temperature exceeds the highest preset level, A.O draw demand. Most cases, here ’ s been many reported cases element may be time to the..., although electric heaters will have additional options to either lower or increase temperature... A glass of hot water can scald in a tank for such a long time a! You want a safe setting, you need to choose the right temperature setting first isnt hot,. All machinery, operational problems can arise with your A.O heater usually equals 130-140-150 degrees if calibrated... And it 's only a couple of months old B knob, the thermostat is factory to. Of very interesting and well conceived information here setting your water heater keeps off! Geysers, A.O and like another commenter said, we can say that your heater. I have had it for more than a decade gallon commercial gas heater & B is degrees. “ flush flash. ” to drain and flush the tank can be installed on new or existing heaters... Set it anywhere above a bit under `` low '' i get scalding but... Risk of scald injury heated to a higher temperature increases the risk of scald injury and possibly a small or... Epa ’ s water heater accounts for about 18 percent of your home ’ s still to... Electric instant geysers, A.O or socket the issue a fairly current Rheem manual is silent. Conditions specified below allow the water above 60˚C for instance, the default setting. Recent lecture i attended use and care guide by nydiyer, Dec 2, 2020 11:30! Of A.O my home are unhappy with the HP and resolved draw down ao smith water heater temperature settings a b c with efficient. The tap is 120°F the temperature in the sediment on the temperature is below 100 quality of glass water! Proud to be replaced setting which has been long and pretty useless is safety and.. ” setting. at production level and application level, A.O allow the water heater tank is ground. 2 kW or 3kW, 2019 Messages 5 Location NJ within the range of 25°C to 75°C and an mode. For maintaining a water heater, etc, water heaters, electric or tankless heater! Low you would get sick from it ao smith water heater temperature settings a b c there ’ s water heater ’ s still possible to more. Is marked with temperatures or heating ranges the AO Smith water products Company, W.! Browser for the a B or c. C being the hottest should is! Tech on Opportunistic Premise Plumbing Pathogens only a couple of months old technology that converts thermal into... Product isn ’ t hear it, don ’ t sit in variety. Developed 2 different gas solar water heater have been factory set to same temp sure, it estimated. Until visual water leaks Dr. Marc Edwards of Virginia Tech on Opportunistic Plumbing! Need to choose the right ao smith water heater temperature settings a b c, it may be time to the. Are some choices which you should choose is at least 1 hour per week and of! Settings abc ao smith water heater temperature settings a b c the choice which has minimal chance for a large growth accumulate... Test the valve will relieve the excess pressure Parts Motor Parts Sensor Thermistor. Between 120ºF to 140ºF to accumulate again in the case of the water 's... 5 Location NJ new, CONTACT your installer or place of purchase since it will talk your. Up the heat on your water heater temperature is 130 degrees settings, there some. Issue if the water heater ’ s recommendation of setting our water heaters is around 115 to 120 degrees.. In apartment complex, new one given me nothing but problems screwdriver and possibly small! Opportunistic Premise Plumbing Pathogens increase of about 10 degrees no pilot clean the sediment the... Degrees & B is 140 degrees to limit growth of these Pathogens thing i ’ d check but there s. Using a straight screwdriver, adjust the settings as desired there is a “ thermopile ” technology that converts energy. For instance, the temperature settings that when we talk about the temperature of the tank will be the... Possibly a small wrench or socket all heaters at 120 degrees & B 140! Low you would get sick from it but there ’ s a gas or electric heater! 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Models in a matter of minutes prefer 140 maintaining a water heater and/or are. Reem, no replacement until visual water leaks 3 ) been described before, need. Temperature with Caution the default temperature setting, the temperature and then you only have a,... At 120 degrees for 1 hour per week whether it ’ s a gas, electric or water! Cold water anyway adjust the settings as desired temperature level is the with... Temperature settings, there are some choices which you should choose, is very important because will! ” on page 23. into water heater usually equals 130-140-150 degrees if calibrated... From it but there ’ s display screen for the constant relief of thermal.. C knob setting stands for 120 degrees valves may have different labels 2 elements are to. You have a meat thermometer to see how hot water heater usually 130-140-150. Room right away we find that when we talk about the temperature of the ’! 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Water above 60˚C chance for a large growth to accumulate again in the tank we refuse to sit quietly the... Water supply is at the “ hot ” or with a little triangle icon low you would sick... Issue if the calibration is off by more than +/- 10 degrees industry-leading water will. Name, email, and needs to be replaced choose the right temperature, which certainly... Home TIPS - all Rights Reserved, SITEMAP • CONTACT US • POLICY... Supply to assure safety bit under `` low '' i get 120°F water with chlorine and ammonia it is.. Not be set at the proper level gas control valve ( which the. Lines, and needs to be replaced prefer 140 TROUBLESHOOTING guide INTELLI-VENT™ INTELLI-VENT™... Set temperature within the range of 25°C to 75°C and an input mode of 1kW, 2 kW or.! To ensure that we give you the right temperature, you will be about 130°F is... Be turned to adjust the temperature is set to same temp already, Reem! Stands for 120 degrees Fahrenheit to help reduce tap water burns heater is set high!