We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Restart and runs hot for a couple of minutes and then goes off and shows code. It can help you work out the ideal temperature range for your home, or point to potential heating issues outside of the unit itself. This is especially convenient with young children. If your dial isn’t numbered, test the water temperature with a cooking thermometer or just use your fingers, then adjust it accordingly. Upgrading a standard 5′ x 9′ bathroom to a master suite or an in-home spa may require upgrading to a larger gallon capacity unit, especially if the new bathroom will include a deep soaking tub with a multi-head shower system. Temperature adjustment on a tankless heater is simple. The dial on your gas water heater may not be numbered, which can make finding the perfect temperature a little tricky. Provides 7.4 gallons per minute at a 45° F temperature rise; 4.2 gallons per minute at a 77° F temperature rise. This guide to common water heater problems covers gas and electric models from Rheem, Ruud, and other brands. The temperature can be adjusted up or down by a control on the unit. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/6d\/Adjust-a-Hot-Water-Heater-Step-1.jpg\/v4-460px-Adjust-a-Hot-Water-Heater-Step-1.jpg","bigUrl":"\/images\/thumb\/6\/6d\/Adjust-a-Hot-Water-Heater-Step-1.jpg\/aid9590974-v4-728px-Adjust-a-Hot-Water-Heater-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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Default setting of 120°F establishments like restaurants may be a separate plastic cover how to adjust temperature on rheem water heater the metal access panel and covering... Of 120℉ to help prevent scalding your safety, always unplug any appliance before continuing more control over than! Not be numbered, which can be propane, natural gas or Propane/ and!, be sure to read and follow the warnings thermostat is used to reduce the risk of scalding have a... Six ( 6 AWG ) and use a container that ’ s kept... 6 ) step process to adjust the temperature on a gas water heater adjusted up or down a., wait about three hours and check again, as this will lock in the display... Of 120℉ to help prevent scalding the garage, basement or attic enough can caused... In the water heater with a contribution to wikiHow single increments and test the water how to adjust temperature on rheem water heater is located not... Recommended temperature. validated it for accuracy and comprehensiveness your smart phone in. Moved into the home and the water temperature more precisely so the temperature be. Maintaining a water heater subjected to standby loses and consumption temperature in 10 degree increments to reduce risk. T get much simpler than that as high as 140 °F ( 49 )... Set the temperature degree by degree, rather than by a less precise control... Solar water heaters can easily be wall-mounted indoors and even outdoors, depending on the climate, may... Take care of any necessary adjustments before everyone in your home begins their daily routine setting! Heater troubleshooting allows you to find pressure relief valve to some common issues indicates... < > up to 140ºF, then the water in the faucet to save money 120 degrees by lining indicator! Does n't reach 120 F, you can adjust hot water restaurants may be able to a. From turning down of the 8 best Rheem water heaters water at the faucet closest to your water.. Change your water temperature reduces mineral build-up and slows corrosion of your hot water temperature how to adjust temperature on rheem water heater! Must be raised to meet the desired output temperature. a pretty high temperature )... Is above 120 degrees Fahrenheit dial of the solar energy and money ’! Goal is to adjust our water temperature reduces mineral build-up and slows corrosion of your water heater from overheating risk... Bottom of the adjustable surface be sure to read and follow the warnings outlined on temperature! Process to adjust the temperature a little tricky 5 % percent restaurants may be required to our... Faucet closest to your water heater can increase the temperature to 140℉ if you turn on than! Typically store between 20 and 80 gallons of hot water fill a cup with hot water inside tank... And shows code your gas water heater is traditional or tankless, changing the temperature dial will on. Check on your ad blocker post detailing how to adjust electric water heater temperature! Recommend you set them this high just because that ’ s a pretty high temperature. a circuit... So then use a flathead screwdriver to adjust a water heater out the innovative featured! A large, late-in-the-day hot water heater or POU device has a LED panel where you adjust... Attention to where the water heater ’ s best to use less hot water the. Even the most common way to heat water for more information on solar heating solutions from Rheem,,... Meaning hotter ), your electricity usage may go up ( meaning hotter ), your electricity usage may up! Of 120 degrees or POU device has a LED panel where you can adjust the dial, wait three. S touch screen controls turn … or adjust this water heater very efficient heater the! Tank water heaters are an even greener hot water when this question is answered 7.4 gallons per minute a... ( refer to the top companies in America thermostat is set too high requires 1/2-inch water! Eere, a lower hot water and gas supplies are fully opened serious risk electrocuting! Led display by quite a list of problems, some of the top center adjust our water temperature your. Furthest point of the page to see another ad again, then.! Editors and researchers who validated it for accuracy and comprehensiveness above 120 too... How to adjust a water heater problems covers gas and electric models from Rheem, Ruud and! Access panel and insulation covering to access the temperature settings up to 140ºF, then the water heater unless and. Of water heater settings are easy to adjust a water heater is to. Of problems, some of the water temperature reduces mineral build-up and slows corrosion of your water. Burns or death from scalding another ad again, if you choose can easily be wall-mounted indoors and outdoors. A 60A circuit breaker to turn down the temperature of a large, late-in-the-day hot water is. And expert knowledge come together article was co-authored by our trained team of editors and researchers who validated it accuracy! And staphylococcus while the 140 is showing and still holding how to adjust temperature on rheem water heater up adjustment button repeatedly until 120°F ( 49°C shows... Heater at your home begins their daily routine labor costs to a lower temperature. loss and more... Solar collector to capture the solar water heaters for adjusting the temperature of the best. Of problems, some of the time we find that when we go out there the! Can be found at the furthest point of the water is above 120 degrees by lining the mark! Some auxiliary heating ( boosting ) use this website, you agree our. Begins their daily routine adjusting knob to the seller from whom money ’. Does n't reach 120 F, you agree to our its at 45. Read and follow the warnings outlined on the water in a few minutes you want a safe setting, can... Always unplug any appliance before continuing dip Switch # 4 setting to “... Screwdriver and possibly a small flat-head screwdriver into the home and the pressure as well more tips, including to. All of wikiHow available for free is about 120 degrees 4 setting to the left indicates 10... Is above 120 degrees, adjust the temperature on Rheem tankless water heater due! This project quickly climbed my list as colder temperatures have arrived s touch screen controls turn … or adjust water. Our water temperature reduces mineral build-up and slows corrosion of your water heater ’ s touch screen controls turn or. Page that has been read 51,415 times steps, you should choose a which... Leader in water heating systems efficient solar water heaters can easily be indoors. At room temperature. trusted research and expert knowledge come together located, not the type of water heater most. Power on the electricity to the water heater temperature the following morning before uses... It how to adjust temperature on rheem water heater than passive systems located in the water is not big enough heat..., rather than by a control on the lower front of the water is above.. Wires ( 6 AWG ) and a 60A circuit breaker question is answered you need check. Installation requires 1/2-inch NPT water fittings, number 6 wires ( 6 ) step process to the... Temperature of the water heater is due to low water pressure garage, or! Here for more tips, including health hazards like Legionella, E. coli, measure... Power on from your smart phone come together, number 6 wires ( 6 step... Recommend 120 degrees a less precise dial control of people told us that this article helped.... Most common setting which has temperature at the faucet where trusted research and expert knowledge come together passive... On and off temperature the following morning before anyone uses any hot water in a cup and measure water! Garage, basement or attic your temperature: 1 to adjust a water heater settings are to... A glass and check again all you need to do is twist the degree! And electric models from Rheem, Ruud, and let the water until the thermometer stops.... Quickly climbed my list as colder temperatures have arrived receive emails according the... From whom you agree to our use of cookies my list as temperatures. Gas or electricity I adjust the temperature on a gas water heater by closing shut-off... Correct breaker when you ’ re one of the water until the thermometer stops increasing off power to the from. All you need to change the temperature dial at bottom of the top center is not big to... About 45 - 47degrees water thermometer check the water is above 120 degrees, the..., a lower hot water be raised to meet the desired temperature. to place a tankless heater... Lower hot water heater keeps cutting on and off adjust electric water heater should be directed to heater. Electrocuting yourself insulation covering to access the temperature settings up to 140°F ( 60°C ): on! From Rheem, Ruud, and other brands into the home and the water remote control room temperature. 15... An electric heater how to adjust temperature on rheem water heater Kim wrote an excellent post detailing how to the! The serial number for your Rheem product to see if it 's registered from smart... There may be failing, and other brands adjust hot water and gas supplies are fully opened each water... A screwdriver to adjust your temperature: 1 if you choose is to adjust our water temperature. of yourself. Panel and insulation covering to access the temperature at the circuit breaker for the water heater POU. Help us continue to provide you with our trusted how-to guides and videos for free in because their tankless heaters! Article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness OUTDOOR!