Question about Reliance & 40 Gal Mobile Home Water Heater

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No hot water

I have a reliance hot water heater and I replaced the lower element, we had to wait for a day for it to heat up the water, once we used the water it would not heat up again. I replaced the thermostat, but have been waiting for two hours and the water is not heating up at all. What could the problem be?

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You may have 2 elements. Make sure both circuit breakers are on.If the heater is old it may be plugged up with sediment. Flush out via valve on bottom. If no water comes out or it is very rusty keep running till clear. If it does not help probably time for a new heater.

Posted on Jun 07, 2010

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Reliance 501 Hot Water Heating element for 30 gal tank, where to purchase


You do not need special parts.
Wattage is printed on end of each element.
Buy generic elements at hardware store.
http://waterheatertimer.org/How-to-replace-water-heater-element.html

Apr 21, 2012 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Hot water runs out to quickly. Replaced bottom element but did not help.


If dual element water heater has some hot water, that says certain things.
-Water heater is getting 240V from breaker.
-Upper element is working
-Neither element is shorted to ground
-Factory insulation and covers are in place and thermostat not exposed to cool air.
-ECO reset is not tripped and there is not overheating event.
-Water pipes and heater are not clogged.

Here are remaining suspects:
1) Leaking faucet or TP valve is leaking hot water continuously. Check for leaks.
http://waterheatertimer.org/How-to-replace-TP-valve.html

2) Loose wire/ bad wire between upper and lower sections of water heater: remove covers and check for loose wire and signs of high heat and burning.
Also do full troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html

3) Bad lower element
http://waterheatertimer.org/How-to-test-water-heater-element.html

4) Sediment build up bottom of tank:
Sediment build-up causes lower part of tank to heat slowly, so upper part of tank can cool, and tank has less hot water.
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

5) Bad upper or lower thermostat: Replace both thermostats for $28.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

To preserve tank and save money long term
http://waterheatertimer.org/Replace-anode-rod.html
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

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 20, 2011 | RELIANCE ELECTRIC WATER HEATER

1 Answer

We installed a brand new Reliance Electric Hot Water Heater, but no hot water, only lukewarm! Replaced top heating element and still no hot water!! Any suggestions as to what we need to do now?


If you have some hot water from dual-element water heater, then that tells us:
Water heater is 240Volt.
Upper element is working. If upper element is not working, then heater has NO hot water.
Reset button is not tripped.
Electricity and breaker to water heater are delivering 240Volts to heater.

Remaining suspects are:
1) Bad upper or lower thermostat: Solution: replace both thermostats for 28$.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
2) Bad lower element: Solution test and replace element:
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html
3) Loose wire or loose connection: Solution: open both covers and inspect for burning. Tighten all screws very tight.
4) Bad wire: Solution: Buy cheap multimeter from Home Center and do a 30 minute troubleshoot of entire water heater before replacing any parts:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html
When testing for voltage, rotate multimeter dial to 240-250-277VAC
When testing elements or continuity, rotate multimeter dial to Ohms.

Jan 10, 2011 | RELIANCE ELECTRIC WATER HEATER

2 Answers

Water was much hotter this morning, actually steaming when faucet turned to max. I checked thermostat & reset button, seemed to be normal. I shut off power and pushed reset button, waiting for it to...


I would try it again and if water temp is still to high then I would adjust thermostat down to say 120 degrees and see what that does.If problem continues I would replace thermostat. Thank you

Dec 20, 2010 | Reliance & 50gal Electric Water Heater

1 Answer

What to do if water doesn't get hot even though I have increased the thermostat settings... the heater isn't even4 months old and it has done this from day one


You have electric water heater.
Electric water heaters are fully repairable by homeowner.

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

Age of Reliance water heater is shown on serial number located on side of tank: first digit is letter. Next two digits are numbers: for example C06 means 2006.
Serial number also shows model number & wattage of elements in case you need new element from hardware store.

A) If your water heater receives very cold incoming water, it may not heat fast enough to keep tank warm.
Add a tempering tank.
http://waterheatertimer.org/Tempering-tank.html
Add insulation over entire water heater except TP valve. Insulate pipes completely.
Read more information:
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

B) If cold outside temperatures are not to blame, your water heater may have a bad thermostat or element.
Narrow down the suspects:

Water heater is 240Volts since you have more than 1 thermostat.
Water heater has some hot water.
This tells us upper element is working.
And that water heater electricity is working.
And that reset button is not tripped.
And that heater is not experiencing run-away overheating event.

That gives us 3 solid suspects.
1) lower element is burned out. Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
This will restore water heater to full 99% efficiency.
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad. Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If you want to test thermostats and all parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

3) Burned or shorted wire. Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.

Dec 13, 2010 | Reliance WATER HEATER CO #9-40-DKRT 40GAL...

1 Answer

1992 Reliance electric water heater model 501 has two 4500 watt heating elements , there is no hot water.


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.

Oct 09, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

I have a reliance 606 electric water heater. This is my problem. The water gets unbearably hot then I have to reset the reset button on the water heater. I am thinking that I need to replace the heating...


you need to replace the thermostats. the elements are working, as your water is getting hot.

I would replace both upper and lower thermostats. be sure to set the temps the same for both.

the thermostats sit against the tank and read the tank temperature. if one is malfunctioning, they will over heat the water, causing you to get severe hot water.

also as a precaution, I would replace the temperature and pressure relief valve. if your water is getting that hot, and this has not "popped" then it is time to replace it.

Sep 06, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Water Too Hot


needs new thermostat(s) If the whole tank is heating( next time it trips, before using any hot water check the lower tank thru the lower element access(breaker off) If the lower tank is hot-you need a new lower thermostat. if just the upper part of the tank is heating -you need an upper thermostat.

Jan 18, 2010 | RELIANCE ELECTRIC WATER HEATER

2 Answers

I have a reliance 501 electric hot water heater and i cant find the reset button. Where is it located?


it is located on the thermostat. Take the cover off the side and you will see a little red button in the side of the themostat.

Jan 10, 2010 | RELIANCE ELECTRIC WATER HEATER

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