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Water heater


Most instant-on tankless water heaters require at least 10 psi of water pressure to start the heating process. The flow of water determines how hot the water will be, within the heating range. An electric 110 volts heater will increase the water temperature about 25 degrees F. A gas water heater will increase the water temperature about 45 degrees F.
Too much flow will not allow the water time to heat. Too little flow will not allow the heating system to work. Each heater must have the outflow water flow adjusted for the best heating outcomes. The best way to find the ideal flow is to turn the hot water facet on and adjust it (open or close) until the water reaches the balance of producing hot water.

Apr 25, 2016 | Water Water Heaters

1 Answer

No hot water , no heater


No Hot Water - Electric Water Heater Troubleshooting

www.whirlpoolwaterheaters.com/owner-center/.../no-hot-water/
Whirlpool's video explaining potential reasons your water heater is not working ... Troubleshooting and Repair · No Hot Water (Video) · Replacing a Heating ...

Electric Water Heater Repair and Troubleshooting ' Whirlpool

www.whirlpoolwaterheaters.com/owner.../troubleshooting-repair/
Troubleshooting and Repair of a Standard Electric Water Heater. No Hot Water ... Not getting power is a common reason new water heaters don't work.

Troubleshooting Electric Water Heaters in MINUTES ~ Step ...

? 7:01
https://www.youtube.com/watch?v=SlyStHM9Nr0
Oct 4, 2013 - Uploaded by electronicsNmore
My tenant has a electric 30 gallon water tank. cimarron by Reheem. model ... So if u notice your water is overly hot and then notice no hot water ...

Dec 26, 2015 | Water Water Heaters

2 Answers

Water only stays hot for about 5 min or


Gas or electric?
Electric water heater ... then test for crossover, check for water leak, replace thermostats, test elements
Gas water heater ... test for crossover, check for water leak
http://waterheatertimer.org/Crossover.html

http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html


http://waterheatertimer.org/How-to-test-water-heater-element.html

water leak: turn off all taps and put ear against pipe and listen for water leak... check if water meter advances when all water taps are off.

Gene

Oct 09, 2014 | Water Heaters

1 Answer

Why won't the main water supply knob turn to allow water to the water heater


Shut off unit then turn off water to house at water main out side. Drain water heater remove old valve install new

Jul 20, 2014 | Reliance Water Heaters

1 Answer

Does not have much hot water gets cold fast


tank water heater? if so its because the water is much colder this time of year. water heater has to work harder to heat 40deg. water than 70deg. water in the summer. That also means as you use the hot water from the tank its replaced with very cold water. Causing you to have less hot water. Either get a larger water heater. Or even better go tankless and have never ending hot water and save money at the same time.

Jan 09, 2013 | Rheem 50 GAL FVR Propane Gas Water Heater...

1 Answer

Where is water shut off valve on Rheem Electric Water Heater?


The shut-off is not on the water heater.
The shut-off is usually located on cold water pipe that enters water heater.
See image of shut-off:
http://waterheatertimer.org/images/Low-water-pressure-2-800.jpg

If shut-off is not located on cold pipe at water heater, then turn off water to house at water meter.

More resources:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Sep 25, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

My Reliance 606 40 gallon water heater only heats up enough hot water to fill a bathtub. We've drained it, the pilot light is fine, it heats up the water really hot, but it just doesn't seem to be able to...


How big is your bathtub? Is your water heater set on the hottest setting? What is the temperature of the hot water at the tap?

Keep in mind that hot water can cause severe burns. Children and those with diminished mental capacity can be seriously harmed by hot water.

The "40 Gallon" rating on the water heater is usually the amount of hot water the unit can produce in one hour. So the tank, and the amount of immediately available hot water, might be smaller than 40 gallons.

My bathtub is 2 feet wide by 1 foot deep and 4 feet long. This is 8 cubic feet or almost 60 gallons. So a 40 gallons of water at 120 degrees, mixed with 20 gallons of cold water (60 degrees), fills the tub with 100 degree water. My January cold water is 42 degrees, so it will take 40 gallons at 129 degrees to fill the tub. If the tub is cold to start it will take even hotter water.

So the water heater might be just fine.

Possible solutions:
1. turn the temperature up on your water heater- or the temperature control could be malfunctioning and not getting the water hot enough.
2. insulate your hot water pipes so that the water loses less heat on the way to the tub.
3. bigger water heater.
4. smaller bathtub, or less full bathtub.


Jan 04, 2010 | RELIANCE ELECTRIC WATER HEATER

2 Answers

No water pressure in bath tub after turning off hot water heater


It could be back flowing into the hot water heater tank which is not full because of the leak. Even though the valve is closed on the cold water entry side, there is probably no valve on the exit side. That is how it is returning to the tank.

Sep 14, 2009 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

2 Answers

Runs out of hot water


I wonder if you have this problem below caused by a drop in water pressure from someone flushing a toilet or a washing machine. I would call the company to remedy this issue.

17. What is a cold water sandwich effect? The term “cold water sandwich effect” is a term that is used to describe the introduction of cold water into the hot water supply line during frequent on/off operation of an instantaneous water heater. The cold water sandwich effect, when present, appears as a momentary drop in hot water temperature as it is discharged from a hot water supply outlet (i.e. shower, tub, or faucet). This phenomenon is present in the operation of all instantaneous, tankless style, water heaters, but is minimized with the high tech design of Rinnai water heaters.
The technology built into the Rinnai water heaters is designed to minimize the cold water sandwich effect. Rinnai water heaters are microprocessor controlled and when water flow through them ceases, they remain in a “ready to fire state” for approximately 1 minute. If water flow through a Rinnai water heater begins within the first minute following water flow stoppage, the water heater will fire back up within 1 to 2 seconds. This minimizes the cold water sandwich effect that would otherwise be experienced with a low tech tankless water heater. It should be noted that the cold water sandwich effect cannot be removed completely from tankless style water heaters. The safety standards developed to insure the safe operation of water heaters require a delay in the ignition sequence of all gas water heaters.
While the cold water sandwich effect cannot be completely eliminated from standard plumbing systems, it can be eliminated from plumbing systems that have a supply and return hot water circulating system. Rinnai has developed 2 methods to eliminate the cold water sandwich effect in residential hot water circulating systems.
The first (and preferred) method to remove the cold water sandwich from circulating systems utilizes a small electric tank water heater (powered up) that is used with a dual purpose. The small water heater acts as a mixing tank to eliminate the cold water sandwich effect from the Rinnai water heater and it uses its electric heating element to offset the heat losses from the hot water circulating system.
The second method to remove the cold water sandwich from circulating systems utilizes a small 2 to 6 gallon storage tank installed on the hot water outlet of the Rinnai water heater. This tank acts as a mixing tank to blend the cold water sandwich with hot water and eliminating its effect at fixtures.

Mar 11, 2009 | Rinnai Water Heaters

1 Answer

Low amount of hot water


You say a very new water heater. You won't get 40 gallons of hot water from a 40 gallon water heater because the continuing influx of cold water will cool your hot water down. However, it appears that your bottom water heater element needs replacing. If the top element is bad, you'll get no hot water. If your bottom element is bad, you'll get "some" hot water. Try replacing the bottom element. DON'T FORGET to turn off the electricity AND water first (closeby towels are also handy)!

Mar 09, 2009 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

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