Question about Reliance & Lowboy& Electric Water Heater

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I have a Reliance 501 model # 5 30 2srs4. I had to reset the unit after waking up to cold water. The water heated up in no time at all but the water was super hot. So hot it triped the reset button again. I reset again. The top of the tank feels warn to the touch and the bottom of the tank feels cool to the touch.there is power to the top thermostat.there is no power in the lower element. does this sound like the lower thermostat needs replacing?

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Hi,
No, the top thermostat will always heat first and then it should dwitch the power to the bottom one after the top of the tank heats...this is to get you hot water faster...
The top thermostat is bad and is not shutting off or switching....
Replace the top thermostat/reset combination and you''l be good!!


Check out this tip..

How to replace the Thermostat and Element for
Electric Hot Water Heater

heatman101

Posted on Jan 03, 2011

  • david67426
    david67426 Mar 25, 2012

    I had the same problem last weekend and switched out the top thermostat. Yesterday, five days later, the reset button popped again.
    Elements test out at 12 ohms. Top element is drawing 16A. I've not caught the bottom element heating as of yet. Ideas? How does one "fool" the top thermostat so I can test the bottom for amps?

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501 is older model. Unknown if this unit has FVIR protection and sealed combustion chamber or open air intake on front of unit.
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How can I find out what the Energy Rating is on my Reliance 501 w/h?


Reliance is AO Smith company.
http://www.reliancewaterheaters.com/prod/gas.html
http://waterheatertimer.org/Water-heater-manufacturers.html

1) Reliance does not post the 501 manual any more and I've written and asked for that manual, and they sent generic manual. Model 501 is both gas and electric.

2) That tells me the old energy factor is probably lower than .54 approximately, but it will be even less because energy factors are for new water heaters in perfect operating order under ideal conditions.

3) Energy factor is a measure of how efficiently the water heater turns energy BTUs into hot water.
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4) However, energy factor is not measure of actual cost. It is merely a way to compare giant water heaters with smaller heaters, and gas with electric, without considering cost of heater, installation cost, repair costs, parts costs, life expectation of unit, disposal/recycling cost, or replacement cost.

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6) If someone buys a bigger water heater because it has better energy factor, it will not pay back the higher purchase cost. Same size to same size, the difference with higher energy factor is a few dollars per year.
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Add a comment for more free help.
Also take advantage of fixya expert assistance live.
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I have a Reliance 501 electric water heater. There are two panels. In the top panel is a red "reset" button. On two occasions this button has popped and turned off the unit. I have pushed the...


ECO reset button trips when thermostat senses high heat event over 150 degrees F, or when upper or lower thermostat is defective. There are other causes: if tank access covers and insulation are missing, and when element is shorted to ground in center of element so that element continues heating through one leg of 240V circuit after thermostat turns off.

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1) Replace upper and lower thermostat for about $28, and if problem persists, then do troubleshoot shown in step 2 below.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

2) Take 30 minutes and troubleshoot before replacing any parts.
Troubleshoot requires cheap multimeter from home center.
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I need to know if i have the right element for my water heater. i have the reliance 501 4500w/240v id # 5 40 2ort0 w i want to know if i need the long 1 or the bent 1. would love a pic if possible. i...


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600 series manual is similar to your product.
page 22 shows element replacement, and says not to use greater wattage than rating plate on water heater.
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