Question about Pool & Spa
Is it a likely issue or just simply time to trash and replace
It must be raining inside your heater. Either your water flow (gpm) gallons per minute is off, or your gas pressure could be off. If ether one of these is not proper, then you could have a high condensation possibility inside your heater and the combination of heat and moisture will rust out/corrode your pilot assembly's quick.
Posted on Jan 22, 2013
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Posted on Jan 02, 2017
My Rapak gas pool heater burner will not ignite. I changed the flame sensor and then the main gas valve (on a recommendation of a heating contracter) and after spending almost $300 on parts, I may have not needed, it still will not ignite. The water temp has been around 80 using the solar cover but now with the air temp in the 50's at night and only in the 70's in the day the water is a brisk 70 degrees. We would like run the heater now, so we can use the pool for a bit longer this fall.
Any ideas? Some people told me there is a valve that senses the proper amount of water is flowing around the boiler so it doesn't burn up, is this possiblely the problem that the valve is not opening?
Joe Snyder, Toledo, Ohio
Posted on Sep 09, 2009
Unless there is water running out of the inside it is always repairable. You can start by pulling the burner tray and cleaning the unit and the burners. Also pull the wires and clean the leads and contacts. At 23 the heater is probally a milivolt run heater so a small drop in power can stop the heater from working. Often the problem will be the pilot generator or the gas valve. The generator should delevop 1/2 a volt to run the heater. This can be measured with a milivolt meter. You should get 500-700mv from the generator. If you get that and have no pilot you may need a gas valve and if not you probally need a new pilot generator and it would be best to replace the whole pilot assembly. If you live in Calif. or someplace that makes standing pilot obsolet you can probally find these parts on line through Ray-Pak.
But before starting check the filter to be sure it's clean. If you have had the pool for 23 years that goes without saying but I have to say it anyway.
After that you can use a jump wire and isolate each itim in the saftey circut (thermostat, high limits, presure switch...) just follow the wire when it leaves the gas valve and follow it to each item and jump across. If you find one of these itims to be the culpret it is just a simptom and their is probally another problem and the part just keeps the heater from working so as to keep it safe from that problem. Good luck and let me know what you find and we can go further if need be.
Posted on Mar 13, 2010
Thank you for posting your question here on Fixya.com.
Replacing the roll out switch is an easy do-it-yourself repair. Fixing the problem causing the roll out of the burner flames in the first place is a bit more of a pro job. Something is causing to much heat to roll out the the combustion chamber into the control area causing the switch to fail. You will continue to burn the link until the underlying problem is fixed.
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Posted on Jun 01, 2010
SOURCE: service code ROL
This indicates the flame roll out safety switch is bad. This part is usually mounted right above the burner tray. It is a white ceramic piece with two wiring terminals and an external part that looks like a resistor. This part detects flame/heat coming out from the burner tray. When replacing it, be sure to check for blockage at the burner tray, heat exchanger and the flue if vented with duct work. This is a critical safety device so do not bypass it.
Posted on Jun 19, 2010
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