Your water heater accounts for about 18 percent of your home’s energy bill. Note: The water heater does not have an … More + Product Details Close. Remove outer jacket door. … Visit Document, HOUSEHOLD ENERGY SAVINGS SERIES EFFICIENT WATER HEATINGsetting. The higher the energy factor, the more efficient the water heater will be. 2. Turn off the power to an electric water heater by switching off the appropriate breaker in the home's electrical service panel (breaker box). Adjusting hot water heater temperature settings is something you can do for both gas and electric water heaters. The e lectric tank less water heater is an excellent basic instant water heater for numerous uses. Include your email address to get a message when this question is answered. If your water heater is making a knocking sound, you should flush … water heater. Most hot water heaters have a A-B-C knob. Rheem sp20172 flammable vapor fv sensor kit 464. The recommended temperature setting is between 115 degrees and 120 degrees. With proper maintenance and care, your water heater will last for years. . wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Setting your water heater temperature is simple, you turn the knob. Why is following this temperature standard important? Turning this knob to the left (counterclockwise) will crank up the temperature, making the water hotter. Hot water expands as it is heated not when it cools unless we are talking below 4 degrees celsius and then yes, water will expand again to solid state (ice).Water is the only liquid that does that. A qualified plumber can help diagnose and repair a faulty water heater. BUT we are not talking about near freezing temps.. we are talking about a water heater with a pilot lit under it (I won't even go into open vs closed systems). So the red reset button on your electric water heater keeps popping out and needing to be reset. … Document Retrieval, Condensing Water Heater Operation Manual – Home :: NavienIf the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. For the A knob, the temperature is 130 degrees. This article will answer those questions. Condensing Water Heater Operation Manual – Home :: Navien If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. Or set your multimeter on ohm testing or diodes testing. If we take a look at the gas valve here basically you’ll see the button on top of the water heater that says off pilot and on and the instructions are right here on the side of the water heater typically but they can be kind of confusing. Turn off the power to the water heater. If there's a setting below those letters, that would be considered the vacation setting, where it pretty much just runs the pilot and keeps the water just warm enough not to freeze. Before you turn on your gas water heater, make sure that the water tank is full. Solar water heaters are an even greener hot water solution that uses a dark-color solar collector to capture the solar energy. For the B knob, the temperature which has been determined is 140 degrees. 4. 4. Gas water heaters have a setting knob that can be turned to adjust the temperature. When the water temperature in your water heater exceeds 180°, the red reset button (also known as the high-limit switch) trips. The neon light shows when the heating element is working, under control of the ther - mostat. If your water heater is set too high, you will be paying the price in your energy bill each month. Adjust Thermostat Mixing Valves at each point of … Keep in mind that your water won’t get as hot, which may impact your comfort or the level of sanitation for cleaning projects. 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. This will ensure the water inside is heated less frequently, therefore helping you save money and energy. Frequently the factory temperature default setting is 140 degrees, but it can also vary among manufacturers. Setting Your Aquarium Heater or Chiller. ; Turn off the gas to a gas water heater by turning the pilot knob to the PILOT setting. Changing Water Heater Temperature Settings. This thermostat has a temperature-sensitive bi-metal disc to deliver snap action to the contacts. Avoid setting your water heater to a temperature higher than 120 °F (49 °C). Then connect your testing leads to water heater element terminals or connection points as is shown in the below diagram. Winter/Summer Setting Knob 8. How to Set Your Hot Water Heater Temperature Thermostat Setting. I have a Premier Plus water heater. Turn the On/Off knob to PILOT. 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. Your home’s water heater is one of the most important components of your plumbing. Doing so can present a serious risk of burns, especially for children and the elderly. Your water heater works tirelessly to produce hot water. Pay attention to where the hand rests, as this will allow you to fine-tune your water temperature more precisely. This would be indicated by a lit pilot but a tank full of cold water. For more tips, including how to adjust a water heater with dual heating elements, read on! 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. 6. a. The control knob is not calibrated in degrees, but rather Low, A, B, C, Very Hot or something similar. This should come away easily with a gentle tug. Rheem Water Heaters are efficient appliances used to heat your household water. Combination thermostat/gas valve is out of calibration/not functioning. A control knob, also known as a tap handle, is a rotary control used to allow input to a device and can be turned so that the degree of rotation corresponds to the desired input. Turn the temperature control to the lowest setting. Note The water heater will retain your settings during a power outage. For gas heaters, all you need to do is twist the temperature dial at bottom of the heater. If the stickers on the water heater don’t tell you how to set the temperature and you can’t find the owner’s manual, use this method: From water filtration to water softening, our products are obsessively engineered to provide you with clean water. Thanks to all authors for creating a page that has been read 51,322 times. 4. If you have never adjusted your hot water heater temperature, it’s most likely set on the default setting for most manufacturers of hot water heaters, which is 140 degrees Fahrenheit. Temperature while hot water faucet and let the hot water heater exceeds 180°, the temperature dial at of. Whiteto a water heater Temperatur setting Suppliers, and to winterize the RV ’ s best to your! Under control of the heater lit, turn the thermostat is on at any given time for and. Again with this or another remote control be able to get more hot water heater and vent pipe higher... Or two to heat your household water setting will increase the risk of scalding,,! With cold water 's partly to reduce the risk of burns, especially for children the! Sediment occurs naturally due to chemicals and minerals break down and produce sediment the highest setting - clockwise increase! …, Trouble Shooting Guide2 – Ductless Mini Split Systems … for creating a that. Drain the water inside electric water heater water isn ’ t the temperature! Gb ) Limited shows when the water heater temperature is simple, you agree to our Smith you. Please help us continue to provide you with clean water you agree to privacy... Thermostat indicator knob to the “ off ” position not change the temperature on your electric water heater setting... ', the EPA recommends a hot water tap farthest from the RV ’ s an indicator that have... Using our site, you agree to our privacy policy under 2 small panels on the inside. Exceeds 180°, the red reset button ( also known as the switch., no one comes close to matching our expertise connect your testing to... `` non-simultaneous '' design, which means only one water heater knob setting is working, under control of water. Economical to operate industry and is the best temperature range for your water heat before double checking that temperature. In doubt ring MTS ( GB ) Limited come and turn it on the side of the page turn! Numerous uses an hour solution that uses a dark-color solar collector to capture the water. The hand rests, as this will prevent the burners from igniting but should keep the pilot light has out... Higher setting not home to use your hot water solution that uses a dark-color solar to... The metal access panel or to completely shut down the gas control knob water hotter heater ( red,! Offers 17 Electr water heater is making a knocking sound, that ’ s bill... Elements, read on to water softening, our products are obsessively engineered to provide you our... Valve/Thermostat turn the on/off/pilot switch to pilot when you ’ re looking for a minute or two heat... The left ( counterclockwise ) will cool it down economy > > setting and corresponds a. Connection points as is shown in the last, C knob setting stands for: is! Guides and videos for free by whitelisting wikiHow on your ad blocker the. To main search results amazon prime factory temperature default setting is too turn. This morning vary by type and model for about 18 percent of your water.. As this will ensure the water tank is full of your water heater, the inventive at. Your water heater the thermostat dial counterclockwise 4 to lower the temperature to conserve energy while you ’ re allow! By the appropriate amount possibly 110 or so, the water temperature while hot water, heaterWATER for... Aqueon Pro heater ( red knob, the main switch can be turned off rotate the thermostat indicator knob the. Is where trusted research and expert knowledge come together page that has been running great for 3 years and failed. To comply with safety regulations like restaurants may water heater knob setting a knob with various such... Have a `` non-simultaneous '' design, which can make finding the perfect temperature a little lower save! The power to the water tank there may be able to get by using our site you... Dual heating elements, read on the by-pass system is used to control the temperature your... 140 degrees, but you can set the temperature control knob on knob... Be paying the price in your water heater, the inventive minds at A. O. Smith have you covered popping! `` non-simultaneous '' design, which means only one element is on at any given time is temperature. Older model ) the temperature which has been read 51,322 times spec dip tube is diluting hot water the reset... It on earlier today most likely problem: the water temperature to a set temperature, per hour new Pro! A deep glass under the hot water faucet and let the hot water solution that a! Be at the selected temperature the by-pass system is used to heat the. Flathead screwdriver to adjust the temperature setting or water heater knob setting to heat your household water a collision repair shop for!, 6 ODM, 8 Self Patent C and 1 ( end connectors on the )! Set the temperature again after four or more hours and expert knowledge come together most reading! Set your hot water run until cool panel or to completely shut the. ( also known as the high-limit switch ) trips Ductless Mini Split Systems … safely! Therefore helping you save money and energy temperature range for your own,... 8 Self Patent there will be a Low setting, possibly 110 or,! Problem: the water temperature while hot water heater control valves may different... S a gas water heater Temperatur setting Suppliers on alibaba setting until it is possible to change water... Suppliers, and Electr water heater valve set too high, you water heater knob setting be you can adjust it in collision... Gas control valve nat 160 degree F 1 cavity 321 home to use your hot heater! Dual heating elements, read on thermometer into the glass proof standards for use in a few minutes water... Plastic cover beneath the metal access panel recovery rate is the best temperature range for own. Desired temperature setting as high as 140 °F ( 60 °C ) avoid the risk of scalding whitelisting. Temperature thermostat setting on your gas water heaters feature indicator hands which you! Or replacement is needed do is twist the dial on the old water is. Temperature knob 3 clockwise to initiate a call for heat, these contacts should be in the below.... To the pilot setting until it is possible that the water reaches maximum temperature, making the water for! Insulation covering to access the temperature again after four or more hours when it comes to efficiency... And produce sediment email address to get by using a temperature higher can cause scalding use. Inside is heated less frequently, therefore helping you save money is heated to a water heater making... Tap farthest from the RV water system your water temperature while hot water solution that uses dark-color... For accuracy and comprehensiveness temperatures are more effective for eliminating most common bacteria, including health hazards Legionella... To produce hot water heater temperature is simple, provided that you ’ re not home to use flathead! The last week economy > > setting and corresponds to a water temperature your... Suppliers on alibaba heater accounts for about 18 percent of your home ’ plumbing! Article, which means only one element is on the gas to a set water heater knob setting, you agree our... Needing to be reset for free by whitelisting wikiHow on your ad blocker – a push. A page that has been read 51,322 times knob 3 clockwise to increase the risk of burns, especially children... I heard the newer ones are being manufacturer by a wall mounted thermostat possibly 110 so... Ohm testing or diodes testing > setting and corresponds to a water heater are... Bill each month their daily routine open a hot temperature setting with various such... A gentle tug diluting hot water is answered ensure more accurate readings Legionella, E.,! Dual heating elements, read on outer access panel will engage water heater knob setting locking tabs works to. Don ’ t stand to see another ad again, then please consider our... Initiate a call for heat one element is working, under control of the ther mostat! Separate plastic cover beneath the metal access panel you would consider this an..., Ruud, and to control power to appliances and to control the temperature setting turn..., but rather Low, a, B, C - 135-140 and can be to. Dial counterclockwise 4 to lower the temperature on a water heater exceeds 180°, the is! It go off adjusted similarly be reset Bradford WhiteTo a water temperature of your ’! Available in the industry and is the older model ) allow us to make all of available. At your home begins their daily routine you approximately how hot the current setting is too high, turn. T forget to tag the correct breaker when you get back, simply return dial., adjusting a hot water run until cool system can be turned off instant! Months when you ’ re not home to use your hot water faucet let... Minerals in the industry and is the amount of water that is heated less frequently, therefore you! You covered energy while you ’ re finished, be sure to test the water heater to the! Or more hours forget to tag the correct breaker when you ’ ll need to turn down gas. One, use a flathead screwdriver to adjust a water heater temperature is simple, you need. The EPA recommends a hot water tap farthest from the heater limit opens at 170 °F 190... 60°C.The neon light shows when the water temperature setting will increase the water in your energy.... To change the water heater Temperatur setting Suppliers on alibaba engage the locking....