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Reliance Electric water heater model 5 40 20RS0

Serial no: F95114746. Model no: 5 40 20RS0. What year is it ?

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Posted on Jan 02, 2017

snap101
  • 117 Answers

SOURCE: My electric reliance water heater is making a constant noise

it might be hard water in the heater. the hard water flakes and when your water heater turns on it creates some movement in those hard water flakes and makes a popping and hissing noise then when it comes to temperature it should stop. the temperature and pressure relief valve shouldn't make this noise. but if you stick your finger in the pipe and it is wet then you might have problems some where else. let me know if it is

Posted on Jul 29, 2009

  • 7 Answers

SOURCE: no hot water in electric water heater

warranty is 6 yrs on parts

Posted on Mar 17, 2010

  • 25 Answers

SOURCE: Model #606 640nort Reliance 30gal gas water heater

this is either the thermocouple lead or the uni control i would replace the thermocouple leed first, these parts can't be repaired they have to be replaced

Posted on Jul 14, 2010

  • 349 Answers

SOURCE: 1992 Reliance electric water heater model 501 has

Check the breaker and top thermostat and make sure they are not tripped. Move onto replacing elements if above is not the problem.
Turn water and power off to heater and attach a water hose to bottom of heater to drain down tank. May have to open hot side on a facuet to get it to drain.
Once drained remove elements with 1 1/2" found at local hardware stores. once elements removed and new ones in place. Turn water on and get the air out of the system. Once water is flowing from the hot side from all of facuet's in house.
Once all air is out now yaou are resady to turn power onto heater.

Posted on Oct 10, 2010

SOURCE: We have a Reliance 501 (40 gallon) natural gas

Your Reliance serial number shows your water heater was made in July 1994.

Except for the Marathon water heaters, and copper-tank water heaters, all tank-type water heaters are made of steel. That steel has an enamel coating which people call a glass liner.

So in that sense, there is a glass liner.
See a photo of the liner:
http://waterheatertimer.org/images/Enamel-coated-steel-290.jpg

Also inside the tank is an anode rode.
The anode is made to protect the steel tank.
Anode is made from lower noble metal than steel, so water reacts with the lower noble metal first.
The water eats away the anode rod instead of rusting the tank.
Once the anode rod is gone, the water begins rusting the tank.
The enamel coating does not protect the steel from rusting.
The tank rusts away and begins to leak.
http://www.thisoldhouse.com/toh/video/0,,20047047,00.html
http://waterheatertimer.org/Replace-anode-rod.html
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

Posted on Nov 01, 2010

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Have a reliance electric water heater model 606; have no hot water. I am having a problem finding the reset switch.


If it was working and recently stopped working, the heating element that heats the water probably went bad, no longer functioning. Check to make sure that there is or is not a reset button, and if there is, press and reset the heater. It's not difficult to remove the old heater element and replace it, but make sure the circuit breaker power to the water heater is off when you remove it. Take it to a water heating supply store, or large hardware store with the Brand and model number of your water heater (Reliance RELIANCE ELECTRIC WATER HEATER,model 606 ) to buy another one.

Sep 21, 2012 | RELIANCE ELECTRIC WATER HEATER

2 Answers

I don't have a problem, just a question.....we are in the process of buying ahome and the hot water heater is a Reliance 501, 50 gallon tank....with serial number G94278175...I would like to know the...


State, Kenmore, Reliance, Ace , Ambassador, Barnett, Century, Crosley, Energy Stretcher, Freedom, Freedom/Nipsco, Hardware House, Master Plumber/True 5, Mission, Nationaline, Patriot, Penfield, President, Regency, Century, The Plumbery, Thermo-king, TopLine
1-letter month followed by 2-digit year

So it was manufactued in 1994. Most water heaters will last 5-10 years for gas and 10-15 for electric unless they receive yearly maintenance (flushing tank, cleaning) so it is already past its expected life span.

That being said, an electric water heater is more costly than a gas one. If I was in your place I would start saving to replace the unit with a tankless gas water heater, as soon as the house closed.

Jun 09, 2011 | RELIANCE ELECTRIC WATER HEATER

1 Answer

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

1 Answer

I have a 40 gallon electric reliance water heater model no. 8 40 2ARS8 - serial no. M94566434 that I need dimensions for so that we can replace it with a new model. Thank you.


http://www.aosmith.com/OperatingUnits/Detail.aspx?id=138&ekmensel=c580fa7b_12_0_138_3
Reliance is an AO Smith company

http://www.reliancewaterheaters.com/prod/elec.html
Link above goes to Reliance electric water heaters
I cannot find your model number
The serial number seems to show it was made in 1994, so the spec sheet would be difficult to find
You must have bought a good heater and taken care of it for it to last that long.

http://www.reliancewaterheaters.com/lit/spec/electric/R606E0510.pdf

Typical 40 gallon Reliance electric:
18" x 59-1/2"
20-1/2" x 44"

http://www.reliancewaterheaters.com/lit/spec/electric/R909E0510.pdf
Self-cleaning type Reliance 40 gallon
19" x 60"
21-1/2" x 46"

The size of your heater can be determined by measuring the height, and then measure across the top to get the diameter. Your measurements will be close to the numbers shown above.

Oct 29, 2010 | RELIANCE ELECTRIC WATER HEATER

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