Problem with old Rheem gas heater


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Old 10-10-09, 11:14 AM
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Problem with old Rheem gas heater

I'm having a problem with our old Rheem natural gas heater model #3600-80ADA. The house is 33 yrs. old and I suspect this is the original unit since it matches the other unit in the house.

My problem is with keeping the pilot lit. When I switch the regulator from pilot to on, the flame will stay lit for about 45 seconds. I then hear a subtle click and the flame goes out a second later. I am no pro but I suspect there is some safety switch being triggered that is cutting off the gas supply in the regulator.

Any guidance or recommendations would be greatly appreciated.
 

Last edited by Paul in TX; 10-10-09 at 11:17 AM. Reason: typos
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Old 10-10-09, 02:12 PM
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Nevermind. I read another post where the problem may be a bad thermocouple or dirty one. I cleaned off the thermocouple tip and the pilot light area and was getting a much better "forked" flame.

It is working now. I guess I just wasn't getting enough flame to the thermocouple.
 
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Old 10-10-09, 02:18 PM
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Too late, you already fixed it.

Delta
 
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Old 10-11-09, 02:41 AM
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Cleaning the tip of the thermocouple is not enough. You need to remove and disassemble the pilot burner and clean (sometimes replace) the pilot orifice and the pilot burner.
 
 

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