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Hoyt hot water heater

Serial number decoding

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Posted on Jan 02, 2017

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SOURCE: Whirlpool hot water heater serial#0426117756

sounds like you need to replace the thermal coupling. This component sends a signal to the gas valve that there is a pilot

Posted on Jul 30, 2009

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SOURCE: i have a warrior glass hot water heater.model

Buy a pressure gauge at hardware store that screws onto hose connection.

Test pressure on outdoor spigot.
Test pressure on water heater drain valve.
This will tell you if the pressure problem is before -or- after the water heater.

If problem is before the water heater, then the shut-off valve located on cold water line is suspect.
If problem is after water heater, it could be in the hot water outflow pipe on top of water heater, or a nearby elbow.

Posted on Nov 12, 2010

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Related Questions:

1 Answer

Does the pilot light always stay lit on this water


Many water heaters today are pilotless.
Call manufacturer with model and serial number

Gene.

Sep 04, 2013 | RTO W4 A.O Smith Gas Hot Water Heater...

1 Answer

Not making any hot water


check heater element and power supply

Dec 27, 2012 | Rheem Water Heaters

1 Answer

I purchased a hot water heater about two years ago from home depot and lost the reciept. I need to track the purchase by the serial number can that be done


1) Look for brand name of your heater on following .pdf file:
http://waterheatertimer.org/pdf/Find-Age-of-water-heater.pdf

2) Home Depot sells GE heaters made by Rheem.
I am assuming that serial number starts with 1209, and that year of manufacture is 09 for 2009.

3) These water heaters have glass vial that breaks when combustion chamber experiences overheating due to dirty combustion parts, clogged air intake, exposure to flammable vapor.
http://waterheatertimer.org/How-to-repair-Rheem-TRD.html

4) Water heater warranties are usually first-year: full parts, labor and tank. After first year: parts and tank but no labor.
Warranty may be pro-rated and the value diminishes as water heater ages.
http://waterheatertimer.org/How-to-maintain-water-heater.html

5) Warranty may not apply is customer has not followed installation and maintenance as shown in product manual, such as checking anode rod, and yearly service by trained technician.

Dec 06, 2012 | Water Heaters

1 Answer

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

1 Answer

0100612756. What year is this water heater?


open link below for serial number decoder by manufacturer:
http://waterheatertimer.org/pdf/WaterHeaterSerialNumberDecoder.pdf

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

Feb 13, 2011 | General Electric GE SmartWater Household...

1 Answer

Is my water heater still under warranty leaking water on top of heater and out from bottom and from plate


1) If water heater is leaking, I suggest you protect yourself first.
http://waterheatertimer.org/Emergency-steps-for-leaking-water-heater.html

2) You have to do some work to find out if tank is under warranty.
-Contact manufacturer: http://waterheatertimer.org/Water-heater-manufacturers.html
-Contact installer: If plumber installed heater, then installer backs warranty for some manufacturers. If you installed heater, then warranty is less or void
-Look at paperwork and manual that came with water heater and read about warranty coverage
-Look at markings on tank to see if tank is 6 year, 15 year etc
-Warranty is based on date of manufacture: To find date of water heater, look at serial number located on label on side of tank:
Open link below for serial number decoder by manufacturer.
http://waterheatertimer.org/pdf/WaterHeaterSerialNumberDecoder.pdf

3) If tank is older than 6 years, and tank label shows this is a 6-year tank, then tank is no longer under warranty.
If you have a lifetime tank, then warranty is in effect, so contact manufacturer.

Open following link to see troubleshoot checklist for leaking water heater:
http://waterheatertimer.org/Leaking-water-heater.html

Other things to consider:
-If tank rusted out after a few years and installer did not install a jumper wire between hot and cold pipes, then tank warranty will probably not cover tank.
-If tank rusted out and you have water softener, and did not inspect anode rod or maintain water heater, then you did not read manual or maintain heater, and warranty might not cover problem.
-I suggest you read water heater manual cover to cover so water heater will not start leaking.

Other useful links:
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html
http://waterheatertimer.org/Replace-anode-rod.html
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

Feb 12, 2011 | Reliance Water Heaters

1 Answer

What years were the Rheem 81v40d produced?


You can find age of water heater from serial number located on label on side of tank.
Label also shows tank size, and tank wattage and element wattage

http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
http://waterheatertimer.org/Water-at-bottom-of-water-heater.html

Serial number decoder:
http://waterheatertimer.org/pdf/WaterHeaterSerialNumberDecoder.pdf
For example Rheem serial number 0790...
First 2 digits are month 07 July
Next two digits are year 1990

Rheem site does not show 81v40d
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/

Dec 26, 2010 | Rheem 65 GAL ELEC Water Heater 6YR Self...

1 Answer

Rheem warrior glass serial num-rh1098154699 model num-71-40d b That is all the information i collected off my hot water heater we have no hot water at all and i dont know how to fix this problem...


The label would also say if water heater is gas of electric.
That would be helpful information that could lead to troubleshooting.
Serial number tells us water heater was made on Nov 1998, which tells us the manual will not be on the Rheem website.

So if you have electric water heater, and no hot water.
There can be 4 causes.
1) Circuit breaker is not delivering 240 to water heater. Test top two screws on upper thermostat to see if tank has 240V.
2) ECO red reset button is tripped. Open top cover on tank and push reset button.
3) Upper thermostat is bad. Replace thermostat.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

Nov 24, 2010 | Water Heaters

1 Answer

I have a warrior glass hot water heater.model number 71-305.serial number r 0590822159.wattage 240 volts ac only. 30 gallon.the water pressure is low.drained tank to clean out.still having problems.any...


Buy a pressure gauge at hardware store that screws onto hose connection.

Test pressure on outdoor spigot.
Test pressure on water heater drain valve.
This will tell you if the pressure problem is before -or- after the water heater.

If problem is before the water heater, then the shut-off valve located on cold water line is suspect.
If problem is after water heater, it could be in the hot water outflow pipe on top of water heater, or a nearby elbow.

Nov 11, 2010 | Rheem Water Heaters

1 Answer

How do i determine the manufacture date for a h w heater, serial # GE0801269835 - model # GE 20P6A Thank you Mark Stambach City of Auburn Maine Plumbing Inspector


GE uses MMYY as the first four digits of their serial numbers. That unit was manufactured in August 2001.

FYI, a nice little page on decoding water heater manufacture can be found here.

If this answer was helpful, please give it a vote. Thanks.

Jun 15, 2010 | General Electric GE SmartWater Household...

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