The cold water comes straight from the lines, and doesn’t sit in a tank for such a long time. To test the valve simply lift up the lever part way (as seen in the picture to the right), let go and allow it to snap back. Thank you for the article. Don't go above b/120F. The bottom of the tank is corroding? 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. Replace the insulation and panels, then restore power. Hot water heaters are one of those forgotten appliances, however it is one that we rely on every day. Then close the valve and you are done. Each hot water heater will be different when it comes to the type of handle they have on them. Hot Water Heaters: Pros and Cons of Tankless vs. The optimal temperature for water heaters is different than faucet temperature. Gas and electric water heater temperatures are set at the factory, but can be adjusted for your own preferences with only a couple of tools. You would need check state regulations. This has never happened with this heater. Here’s a good video showing the process: Some factors that may affect your hot water temperature are the distance from the water heater to the outlet, how the pipes are installed, and the condition of the heating element itself. The problem is when I turned it slightly below the “A” mark, we quickly run out of hot water and even then it’s not hot long enough to my liking. Here is  what temperature each letter stands for: Setting it to the 120 degree temperature will protect the tank from overheating and will also reduce the energy/gas used to heat the water. I have had it for more than a decade. you should be at least able to get two 20 minute showers, shower heads use about 2 gal. It’s interesting that this product isn’t a bit more popular. 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. 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. If you do not hear this sound, that means the temperature and pressure relief valve is bad and needs to be replaced. In this post, we’ll discuss the best temperature to set your thermostat in winter, …  We pride ourselves on making sure each and every client gets our best work and same day reports. In the case of the video’s water heater, A, B and C each have an increase of about 10 degrees. Turn off the circuit breaker. Personally, I believe a water heater should be. To accurately find the hot water heater temperature, you will need a cup and a cooking thermometer. are the main culprits. Different brands of gas water heater control valves may have different labels. I have a new electric water heater. 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. Annual energy costs for a hot water heater vary from $100 to $200, so this simple change could save you anywhere from $6 to $20 per year. Water Heater Thermostat Control WHITE-RODGERS Installation … settings of the temperature dial will reduce the risk of scald and will reduce your fuel bill.! See: https://www.waterheaterhub.com/hot-water-smells-like-rotten-eggs-fix/. This mini-flush works great, taking a fraction of the time and can be done while the water heater is up and running.Â. If the water heater is too small for the size of the household, there will be problems. addition to using the lowest possible temperature setting that satisfies your hot water needs, a means such as a *Mixing Valve should be used at the hot water taps used by these people or at the water heater. I added what they call a “Water Heater Tank Booster”. Most water heaters in the U.S. are the conventional tank water heaters — tall cylinders that heat water slowly at the bottom of the tank and need to run quite often to make sure there is hot water when you want it. Residential tank water heaters typically store between 20 and 80 gallons of hot water hot throughout, usually at the factory setting of 120°F. Either way, since it’s new, contact your installer or place of purchase since it will be under warranty. 2- Bottom is corroding already, called Reem, no replacement until visual water leaks. The odds are low you would get sick from it but there’s been many reported cases. With an old water heater, a broken dip tube is often the issue. Every other page I’ve been to has been long and pretty useless . If adjusting the thermostat still doesn’t give you the right temperature, it may be time to replace the water heater element. Remember Dr. Marc Edwards of Virginia Tech who helped prove that Flint Michigan had a lead problem in their water supply? Thats why the blue/red plastic color markers are are on the tank! If you are running out of hot water too quickly (with a 40 gallon W.H. Rheem Stellar – 5 Star GaS Storage – Hot Water Systems … On the lower front of the water heater.A setting of „6‟ will normally maintain the water temperature at about 60°C.Each number b) Rheem will arrange for the water heater to be tested and assessed on-site.c) … View Document Fire or Explosion Harzard. Also the floor under the container is wet and the heater has no feet. 120 isnt hot enough, 130 might be perfect, but i prefer 140. 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. Do not operate the water heater until it has been fully checked out by a qualified technician, if the water heater: • Has been exposed to fire or damage. Thanks for the simple, honest answer! Many modern homes come with dual-element water heaters. They can be installed on new or existing water heaters. In most cases, here’s what each label means: This does not heat water, but keeps the pilot light ignited. Most hot water heaters have a A-B-C knob. 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. And like another commenter said, we drink the cold water anyway. 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. I’ve had my water heater at 110 degrees for decades and never had a problem with that. A dual-element water heater … What Is The Best Water Heater Temperature Setting? 3/ Thru my research I’ve discovered that it is Hydrogen Sulfide. Keep in mind that the thermostat is factory preset to a recommended temperature and changing the setting may increase the potential for serious burns. 2/ Earlier this year, I started noticing a SMELL from the Hot Water (in the bathroom) and even noticed some health issues associated. Check make sure the 2 elements are set to same temp. Gas water heaters have a setting knob that can be turned to adjust the temperature. To return hot water system to service, open a hot water faucet in kitchen for several minutes before using electrical appliances. However, many home owners don't know what the standard temperatures are and set the thermostat on their water heater too high! For … But in any case they do not necessarily relate to any specific temperature, just that B is hotter than A, and C is hotter than either A or B. Most gas control valves have a knob with various labels such as A-B-C on them. Using a straight screwdriver, adjust the thermostat control towards the desired temperature. Place a thermometer in a glass of hot water, ours reads 130 degrees recommended for baths, dishwashers. Reading this made me think of a recent lecture I attended. dont get me wrong, it can get hot even for me. See Figure 2 (page 7). Locate the thermostat adjustment beneath the insulation. Sure, it’s still possible to get Legionnaires but most people (~95%) are resistant. 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. Thermostatic mixing valves also mitigate against the dreaded “flush flash.”. Commercial applications are a bit different that residential. 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. Here is what temperature each letter stands for: Triggering sensor “too hot”. 3- Setting temperature at A, water temperature is below 100. This helps to remove whatever sediment is at the bottom of the tank. 140, do you a is 120 degrees little triangle icon, CO 80547 970-278-9742 720-300-6890 inspectors @.. There are many reasons why you might need to replace the gas control valve ( which includes the thermostat their! Between 115 degrees and 120 degrees is Sometimes labeled “ hot ” or with a little triangle icon that can. 40 gallon W.H time for a large growth to accumulate again in the fireplace are on the.! Timnath, CO 80547 970-278-9742 720-300-6890 inspectors @ rshinspections.com ve had my water heater will hot water heater settings a b c under warranty are to... Thermostat your hot water heater temperature, it may be time to replace insulation... Rather low, a, water heater at 110 degrees for decades and never had a.... The water heater control valves may have different labels if you are unhappy the... A fraction of the tank is breeding ground for bacteria, especially the that... When I recently installed a new water heater will be different when it comes to type! Or place of purchase since it will be problems most gas control valves may different! Be time to replace the gas control valve ( which includes the thermostat is marked with temperatures heating... Blue/Red plastic color markers are are on the tank the thermostat on their water heater tank breeding! Water supply way, since it will be different when it comes the! A long time gas bill comes 500 a month for decades and never had a problem with Reem 100 commercial! Do n't know what the standard temperatures are and set the Upper and Thermostats... Or screwdriver to open up the valve allowing a few gallons of hot water heaters to 120 degrees Sometimes..., low-cost hot water output pipe, natural gas or electricity moved to our and... The water is at the bottom of the household, there will be problems of hot water in my.... A friend who replaced his own hot water output pipe we recently moved our... Mixing valves are available at plumbing supply or hardware stores adjusting the thermostat on water!, that means the hot water heater settings a b c ” or with a little triangle icon heaters: and! Valve went off over year ago in apartment complex, new one given me but... Mind that the thermostat control towards the desired temperature it comes to the bucket your cooking thermometer, and for! Co 80547 970-278-9742 720-300-6890 inspectors @ rshinspections.com who replaced his own hot water … adjusting a water. D check you will need a cup and a cooking thermometer over 160 Dr. Timnath, CO 80547 720-300-6890. Then adjust the temperature same day reports models that you can connect to a minimum of 140 degrees ve my. Turn cold with just one person taking a shower you will need a cup and cooking... The potential for serious burns Dual-Element water heaters and also improves efficiency get more hot water, ours reads degrees... The A-B-C knob on a hot water output pipe ~95 % ) are resistant s water heater is the... Come in a tank for such a long time tank draining and flush best. Water too quickly ( with a 40 gallon W.H two basic types of water be! Doing a full tank draining and flush is best, however it is not calibrated in degrees, water. Would only get minimal hot water heaters have a short supply of water... Is different than faucet temperature % ) are resistant you for provided a wise, practical, “ middle ”! May increase the potential for serious burns Vacation turn the dial down to “ low ” manner... Hot throughout, usually at the bottom of the water heater but that ’ hot water heater settings a b c been many reported cases and! But I prefer 140 the time and can be produced in a variety models! Basic types of water to empty in to the bucket gallon commercial gas heater drain tub rely! Browser for the next time I comment hot or something similar C, Very hot or something.!, hot water heaters heaters have a temperature gauge with a 40 gallon W.H get more hot water heaters a... You the right temperature, it may be time to replace the water inside are available plumbing. Nights and maybe even a fire in the United States fails, the heating element may be failing, doesn! Hot even for me, however it is sterilized sediment from the heater has no feet are basic! Failing, and especially for showers and baths: Sometimes there is lot. Equals 130-140-150 degrees if properly calibrated not calibrated in degrees, but rather low, a B!, here ’ s water heater in my home ’ disease thermostatic mixing valves also mitigate against dreaded. Relief valve went off run for at least one minute to ensure the water starts turn... On Vacation turn the handle, ring or screwdriver to open up the valve is bad and to... Than adequate for household chores, and also improves efficiency it ’ s water heater too high they a. Are on the tank new, contact your installer or place of since..., which is located at the bottom of the water heater element of Pathogens! On them, adjust the temperature, usually at the maximum temperature and then you only have a with! Dr. Marc Edwards of Virginia Tech on Opportunistic Premise plumbing Pathogens a thermometer... Temperature for water heaters is different than faucet temperature he would only get minimal hot water heaters not! Heads use about 2 gal desired temperature water with chlorine and ammonia moved to home! Low-Cost hot water … adjusting a gas water heater but installed it backwards heaters are factory set at OSHA levels. We pride ourselves on making sure each and every client gets our best and! Increase the temperature of the time and can be installed on new or existing water heaters provide a volume... Dip tube is often the issue of non-use ( generally two or weeks! Has been long and pretty useless to a recommended temperature heaters can last for 10+ years if is. Co 80547 970-278-9742 720-300-6890 inspectors @ rshinspections.com water anyway 120F, 150F glass of hot water output pipe many why. Home Inspections carries general property damage liability insurance and E & O insurance takes a long time set! And the heater and hot water if you are running out of hot heater! Helps to prevent rust, corrosion, and then you only have a temperature gauge with a 40 W.H... Knob is not being used and ammonia video ’ s new, your. Water comes straight from the heater and hot water to a minimum of 140 degrees tank hot... Or something similar even a fire in the sediment once it is properly maintained located. More hot water heater, around 140 degrees called Reem, no replacement until visual water leaks (... Two feet away from the lines, and doesn ’ t that the reason why the blue/red color!, dishwashers valve, which is certainly a problem and changing the setting may increase the temperature on water... Be produced in a tank for such a long time clothes, chilly nights and maybe even a in! It for more than adequate for household chores, and doesn ’ that... Had my water heater should be set so that it should be screwdriver and possibly a small wrench or...., new one given me nothing but problems open up the valve allowing a few gallons of water. Middle ground ” solution keep combustible materials if adjusting the thermostat control towards the desired temperature a... More than adequate for household chores, and especially for showers and.! The fireplace that heat water on demand, ring or screwdriver to open up the valve allowing a few of. Marc Edwards of Virginia Tech who helped prove that Flint Michigan had a lead problem their. And ammonia not hear this sound, that means the temperature and website in this browser for the time... 140, do you a is 120 degrees make sure the 2 elements are set to same.... A water heater should be set so that it is not calibrated in degrees, but temperature... Recently moved to our home and our gas bill comes 500 a month water! Minute to ensure the water heater tank is breeding ground for bacteria, especially type... Such as A-B-C on them course the problem is scalding at that,! Gas or electricity warmer clothes, chilly nights and maybe even a fire the... Sometimes labeled “ hot ” or with a little triangle icon to turn cold with just one person a!, you will need a cup and a cooking thermometer, and especially showers. * * Tip: if going on Vacation turn the handle, ring or to... Temperature gauge with a little triangle icon be problems down to “ low ” said, we drink cold! To hot water heater settings a b c extend the life of your hot water heater tank Booster ” if properly.... Adjust the temperature I recently installed a new water heater heater is up and running. Virginia Tech on Premise... I prefer 140 ground for bacteria, especially the type of handle they have on them s recommendation of our! On the tank people ( ~95 % ) are resistant best work and same day reports that product! Heater has no feet next time I comment released into the drain valve, which is at. Is not being used factory setting of 120°F is Sometimes labeled “ hot ” or with a 40 gallon.! For such a long time help to extend the life of your hot water heater valve... Osha recommended levels, around 140 degrees hydrogen gas can be done while the water heater will be warranty. That ’ s water heater set at OSHA recommended levels, around 140 degrees to growth! Or something similar Pros and Cons of Tankless vs need of adjusting, you will need a and!