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Here is the link for the users manuals for the RELIANCE 606 30 GALLON GAS WATER HEATER, depending on the style you have - tall, short, etc.

Posted on Oct 03, 2010


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Posted on Jan 02, 2017


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Hot water tank wont heat water, how do you relight or resat, its a reliance self cleaning 808

Reliance Water Heater Literature ' Owner's Manuals ...
Welcome to the Reliance Water Heaters Owner's Manual and Installation ... 9 40 EKRT - 40 Gallon Tall Self-Cleaning Electric Water Heater - 9 Year Warranty . ..... 10 50 DHPST - 50 Gallon Electric Heat Pump Water Heater - 10 Year Warranty .

How to light the pilot on a Reliance 606 water heater ...

? 3:27
Jul 12, 2011 - Uploaded by kilroywashere123
How to light the pilot on a Reliance 606 water heater ... How to fixwater heater, will not stay lit - sealed combustion no hot water - Duration: ...

Reliance Water Heaters - Consumer Affairs > Homeowners > Bath & Plumbing

Rating: 1.6 - ‎84 votes
I purchased a Reliance 606 water heater in 2010. ... That they don't TELL you there's areset button or that I'm having conspiracy thoughts ... After several attempts, I was able to relight it. ... It's heading to the junk pile and I will purchase a new reliable (NotReliance) ... Checked breaker and changed breaker still no hot water!

Dec 28, 2015 | Reliance Water Heaters

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The reliefe valve opening on my reliance 606 gas water heater is hissing. what could be wrong?

thermostat.Check Settings,and if you turned it up or down while power was still on, thenchange them both. also t+p valve may be weak from temp overshoot.Change it if it continues after replacing thermostats

Aug 21, 2014 | Reliance 606 Series 40 Gallon Natural Gas...

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Need gas control unit& burner for water heater 40 gallon

Reliance is AO Smith.
Each gas control has identifying information on side of gas control valve. Make sure you order for NG natural gas or LP propane gas, since these are two different gas control valves.
Google search the gas control number and results will show.
Copy following links for more help:

Sep 03, 2012 | Reliance Water Heaters

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My 30 gallon water heater works sometimes its only 4 years old other times we have to keep lighting the pilot sometimes up to 4 or 5 times it will come on run about 3 minutes shut off the the pilot light...

I have had a similar issue with my Reliance heater. The safest thing to do is replace the entire gas control. You will need the model no. and the serial no. to find the correct one. May have one in stock at some place like Ace Hardware, I found mine on the internet after getting the part no. from the Reliance web site parts dept. May be $75 and up. if you are on propane, there will be a setting in the new control to set for propane The orifices in the burner etc. are already set there. Be careful, it is gas. To change the control is easy, you will need a large pipe wrench to wrap around the whole thing and unscrew it. Drain the heater first, open a hot water faucet to aid in this. And be sure to flush the water heater before you re- light. Lots of videos on the internet on the proper steps. And of course turn off the water supply and the gas supply before you start.

Feb 21, 2011 | Reliance & 30 Gal LP Gas Water Heater

1 Answer

Do we need to shut off the gas or pilot light when draining out sediment on our gas water heater?

Yes you should shut off gas valve & water in to tank. Drain tank fully then turn on water & relight pilot.


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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.
Reliance is an AO Smith company
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.

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


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