There have been people claiming the maximum allowable storage temperature or thermostat setting on a water heater is 120°F). I solved that problem when I recently installed a new water heater in my home. If the water temperature fluctuates but the pilot light is on, the gas valve assembly is probably at fault. All you have to do is turn it to make an adjustment. You would need check state regulations. That’s a common standard. ), The highlighted counties are eligible for fixed rates, as certain rates are not available in all locations.*. Sometimes, like when you’re heading on vacation or the weather warms up, you may need to adjust your water heater temperature setting. 3/ Thru my research I’ve discovered that it is Hydrogen Sulfide. 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. 2/ Earlier this year, I started noticing a SMELL from the Hot Water (in the bathroom) and even noticed some health issues associated. Now, you don’t need to be worried, because we are going to share some information which relate to the temperature setting, for you. 2) Mark the setting, then turn down the thermostat. When you say 120 or 140, do you A is 120 degrees & B is 140 degrees? Remember Dr. Marc Edwards of Virginia Tech who helped prove that Flint Michigan had a lead problem in their water supply? Here’s how to do it yourself: It’s that easy! For your safety, Rinnai tankless water heaters come with a maximum temperature default setting of 120℉ to help prevent scalding. The main thing to worry about with your gas water heater thermostat is the temperature setting. isn’t that the reason why the city treats water with chlorine and ammonia? Select a location indoors as close as practical to the gas vent or chimney to which the water heater vent is going to be connected, and as centralized with the water … Bacteria loves warm-hot conditions and can quickly multiple. 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. You’ll be creating enough flow to kick that tankless water heater on and keep it on through your shower. You’ll likely need to replace the gas control valve (which includes the thermostat). It is estimated that the average water heater temperature is set to 130ºF in the United States.130ºF IS THE BEST TEMPERATURE TO SET YOUR WATER HEATER as it will reduce the risk of scalding while showering but also be hot enough to meet your dishwasher and … Turning the screwdriver clockwise will increase the temperature of the water that the heater will produce. Clean Your Natural Gas Range in 10 Minutes or Less. It is best not to deviate too far from that mark. 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. There is no such requirement in any model plumbing code. Instead, the thermostat is marked with temperatures or heating ranges. Whether you have a gas or electric water heater, the default temperature set from the factory will be between 120ºF to 140ºF. 140 seems perfect for our needs. Fill a glass and check the hot temperature. It would be rare on a new water heater but that’s the first thing I’d check. Thermostat dials are often inaccurate. The majority of gas water heaters are simple because they have an easily readable dial located at the bottom of the tank. The U.S. Department of Energy recommends setting a tank-based hot water heater to 120 degrees Fahrenheit. Knowing how to adjust the temperature can help protect your family, reduce your energy consumption and ultimately save you money. 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. Tank style water heaters, by contrast, are quite happy taking in water of any temperature and putting out 120ºF to 140ºF without the need for a mixing valve. 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. Home » Maintenance » What Is The Best Water Heater Temperature Setting? Most gas control valves have a knob with various labels such as A-B-C on them. (retail shop, etc. Energy.gov recommends a water temperature of 120 degrees Farenheit for your water heater. Once installed, it acts as a programmable setback controller. And like another commenter said, we drink the cold water anyway. This thermostat is a valve in the shape of a dial. Turning it counterclockwise will decrease the temperature. This does not heat water, but keeps the pilot light ignited. There have been claims the maximum temperature is 125°F based on the scalding temperature labels on the outside of most water heaters. But finding that setting on the water heater temperature setting dial isn’t easy, because most dials aren’t labeled with numbers. Check the temperature of the water exiting your faucets. You drink cold water anyway. Is there something we could do. Turn off the circuit breaker. Save my name, email, and website in this browser for the next time I comment. Having said that, if you don’t live with anyone who fits into the categories above, 120 degrees Fahrenheit is probably the best temperature setting for your hot water heater. The location of the dial will vary depending on the model and type of water heater. Very interesting stuff. I live in a 22/unit Condo Association and about a year ago, we got a new hot water heater (Rheem-Ruud Universal Commercial Gas Water Heater). Gas water heaters have a setting knob that can be turned to adjust the temperature. 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. If adjusting the thermostat still doesn’t give you the right temperature, it may be time to replace the water heater element. At 130 degrees, any Legionellae would die within a few hours so if that’s the regular temp, there shouldn’t be a need to go any higher since as the risk is super low. Are your savings getting hotter – or is it just your water heater? For gas water heaters, the gas valve controls the temperature. I can’t believe that I’m setting my water heater temperature too high for so many years without something needs to be fixed. 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. The water heater thermostat is part of the gas valve. Thermostatic mixing valves also mitigate against the dreaded “flush flash.”. Have you ever relaxed in a hot shower after a long day of work or soothed a sore throat with a warm cup of tea? 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. If you are worried about it, turn it up to 140 for an hour or two a week, then back down to 120. What Temperature Should a Hot Water Heater Be Set At? 1- Temperature setting is at B, but water temperature is over 160. However, for the purposes of most households, there is no need for the temperature … Measure the beginning temperature of your hot water using a thermometer at the tap farthest from the water heater. there is a lot of very interesting and well conceived information here. There have been claims the maximum temperature is 125°F based on the scalding temperature labels on the outside of most water heaters. Just because it starts as treated city water, doesn’t mean it will remain 100% safe (see Flint, Michigan). Want to speak with someone? They can be installed on new or existing water heaters. This has never happened with this heater. Water heaters are factory set at OSHA recommended levels, around 140 degrees. This temperature will produce enough hot water for every household. I have a new electric water heater. If the thermostat isn't sending power to the heating element, replace the thermostat. The highest will increase the temperature to above 160 degrees. He would only get minimal hot water after a lengthy wait! The cold water comes straight from the lines, and doesn’t sit in a tank for such a long time. 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. How old is the unit? I have had it for more than a decade. However, you may have no clear information about it, don’t you? What could be the cause of this? We recently moved to our home and our gas bill comes 500 a month. However, if you have a compromised immune system or are prone to respiratory conditions, you should consider setting the temperature … If you set it higher than this, the amount of gas used will increase, causing your gas bill to be higher. *For further information regarding availability, please call 1-877-467-2262. Sounds like a thermostat issue if the calibration is off by more than +/- 10 degrees. I added what they call a “Water Heater Tank Booster”. 7 Steps for How to Set Water Heater Temperature. If you answered “yes” to either of these questions, you have your natural gas water heater to thank. Water heaters are factory set at OSHA recommended levels, around 140 degrees. Fuel sources can be propane, natural gas or electricity. 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. 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