Question about RELIANCE ELECTRIC WATER HEATER

# Hot water tank, how old is it? serial no. 003307986

How many kilowatts should it pull when heating up water?

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• Reliance Master

How many kilowatts for water heater element?
The watt rating of each element is printed on end of element.
Volts x amps = watts.
For example 4500 watt element and 240 volts
4500 divided by 240volts = 18.75 watts
1000 watts = 1 kilowatt.
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
http://waterheatertimer.org/How-to-install-electric-meter-on-240Volt-water-heater.html

Posted on May 10, 2012

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Posted on Jan 02, 2017

Lower element will always test 120V to ground since thermostats turn off one hot wire.

Listed below are suspects in order of ease.

1) Check that hot water is not running out of TP valve and down into a drain.
This will cause water heater to run all the time but not be able to keep up.

2) Test elements before replacing anything:
http://waterheatertimer.org/How-to-test-water-heater-element.html

3) Test electricity to water heater:
http://waterheatertimer.org/Test-electricity-to-water-heater.html

4) Replace both thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

5) Final thing would be full troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Posted on Jan 30, 2011

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## Related Questions:

### How many kilowatts should a hot water tank pull or use when heating up?

some heaters have two 4500 heating elements thats 9000 watts or 9kw,s which would need 240 volts at 30 amps.breaker.

Feb 21, 2012 | Water Heaters

### I own a house with an electric GE hot water heater. 8ESOT12AA01 Serial # 090122 5750 I do not know how old the hot water heater is and advice about when it should be replaced. No leaks to date but I...

GE is made by Rheem, but the market is always changing. Rheem-based serial number shows tank was made in 1990.
Tank will last as long as anode rod(s) protects steel tank from rusting.
If your tank has two anode rods, then tanks lasts longer.
That's how companies determine if water heater is '6-year' or '12-year.'
I don't have manual for your product to say if you have 12 year tank. Side of tank might have information blurb besides mandatory label that shows serial number.
You can update your water heater by replacing anode rod(s) assuming they can be loosened and removed after this number of years, which is a big IF with old heaters. Your plumber might have impact wrench he uses to see if anode can come out.
http://waterheatertimer.org/Replace-anode-rod.html
http://waterheatertimer.org/Leaking-water-heater.html

If the water heater is making gurgling rumbling and/or crackling sounds then tank has sediment build-up.
You can also get a baseline of rust by flushing tank and watching if water is very rusty.
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html
http://waterheatertimer.org/Water-heater-will-not-drain.html

If you flush tank regularly, and inspect anode every 1-3 years, a tank will last many years longer than manufacturer's label.
http://waterheatertimer.org/Water-heater-manufacturers.html

Apr 20, 2011 | General Electric Water Heaters

### I put a new top thermastate, bottom thermastate, new top element, bottom element, on my electric 50 gal tank and didn't get hot water. Only 4years old. Bought a new GE 50 gal. tank and installed, even a...

Hi,

The next thing you need to do is find out whether you have 240v to the bottom element....the top will not heat till the bottom is satisfied...
An electric meter is critical when working with these units....trace the power and see where it stops....

Electric Water Heater Wiring Diagram
Electric Water Heater not Working
heatman101

Dec 04, 2010 | Rheem Water Heaters

### My heater is not getting hot i can not tell if their is a pilot light or a reset button i don know what to do with the heater it is very different how can i heat my water heater

Reliance makes gas and electric water heaters.
http://www.reliancewaterheaters.com/

Best way to start is to look at label on side of tank.
Label has serial number, model number, plus it will say if heater is gas or electric.
Reliance water heater age is shown in serial number: first digit is letter, second two digits are numbers: for example numbers 02 would be the year 2002.
If water heater is 8-12 years old, it might be time to consider new tank.

Gas water heater has 3 inch metal flue pipe coming out of top of tank.
Gas pilot is probably off.
Relight pilot light: Most gas water heaters today have instructions on side of tank just above gas valve that say how to relight pilot light. Instructions vary by model.
If you have gas water heater that is older, it might be easier to call a plumber.

Electric water heater has panels on front.
Open top panel and push in red reset button.
If you have electric water heater of any age, you can usually fix it yourself same day:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Dec 03, 2010 | RELIANCE ELECTRIC WATER HEATER

### Old Vanguard Water heater not heating.

the top element is energized until the water in the top of the tank is hot enough to satisfy the upper thermostat, then the thermostat switches and sends power to the lower element. This is done to quicken the recovery time.

Mar 05, 2010 | Water Heaters

### Hot water lasts half the time

How old is the heater?

It may be something as simple as just needing to flush the tank to remove any sedemints....and hopefully so because this is the easiest/cheapest thing to do.

If this is not the case go ahead and remove the heating elements and check for wear. Replace them if necessary. I would also replace the thermostats that accompany each of the elements.

Checking and replacing both of this requires you to drain the tank completely and should be close to \$25 total....last time I checked.

Apr 27, 2009 | General Electric Water Heaters

### Water heater heats but not to same temperature

Try shutting off the gas, shut off the water, and drain the tank to remove any sediment that may interfere with heat transfer from the burner. If that doesn't do it, check the dip tube to make sure it is still intact. The dip tube directs incoming cold water to the bottom of the tank and the hot water is tapped from the top of the tank. If neither of those turn out to be the problem, check the thermo-couple. Since a gas water heater typically survives about 6-9 years, you may be better off just replacing it.

Mar 16, 2009 | Honeywell Water Heaters

### Whirlpool temp control on electric water tank

Most electric water heaters have 2 heaters - an upper and a lower, each with it's own thermostat. These are readily accessible by removing the screw covers on the side of the tank. Careful - the thermostats have 240VAC on the terminal screws (unless you have a small 120VAC heater) if the circuit breaker or fuses feeding the heater are still on - turn them off before proceeding. After removing the two screw covers and pulling back the insulation you will see temperature (screw) adjustments for the upper and lower thermostats, with a temperature indicating pointer attached to each screw. Set both thermostats to 125 degrees or so. Push the insulation back in place, replace the covers and turn the circuit breaker back on that feeds the water heater. You should have warm water within 15 minutes and hot water within a hour or so.

If the water still does not heat, then you have to troubleshoot to find the problem. With a voltmeter determine if 240VAC is actually getting to the water heater. Remember, the upper element has priority over the lower element, and if the water is cold, the upper element will try to turn on and this locks out the lower element (only one element is allowed to heat at any given time). The lower element comes on ONLY after the upper thermostat is satisfied. Therefore if the upper heating element is burned out you will never get any hot water. If you suspect this, TURN OFF THE POWER TO THE HEATER and take a resistance check of the upper element.

Nov 16, 2008 | Water Water Heaters

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