Question about Hayward Pool & Spa

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My Hayward pool/spa heater won't ignite on pool heat setting but will on spa heat setting. We've had it for less than one year.

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  • Hayward Master
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If all settings correct on controller bad display

Posted on Sep 05, 2017

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6ya6ya
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Posted on Jan 02, 2017

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rcampsr
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SOURCE: Heater cycles on and of, pool/spa does not reach desired temp

hello, It sounds like you may not be getting circulation thru the heater. Make sure the valves are open to allow water to pass thru the heating system. Some systems use a bypass on the heater so there is not a lot of wear on the coil system in the heater. If it is not circulating it will get too hot and the safety shut down will occure. If you are getting water circulating thru the heater, then the thermocouple or auto start igniter system is not working correctly. It is trying to start and can't then recycles. If the burners are igniting on the startup and then shutting back down you may have a bad control unit or thermal sensor unit. Since the unit is gas have a professional service it for you. Good Luck, RAC

Posted on Apr 20, 2009

  • 1 Answer

SOURCE: Pool heater burners won't ignite.

Also you need to inspect the igniter.

Posted on Apr 25, 2009

  • 4 Answers

SOURCE: 1 year old hayward h1001d pool heater clicking

see this link ....

http://www.fixya.com/support/t1078177-hayward_pool_heater_h_series

Posted on May 25, 2009

  • 83 Answers

SOURCE: When Heater is turned on display shows 125, doesn't ignite/fire.

I am not sure if you have solved this issue, or not, but here is one idea. When you turn on the heater, it is reading the temp at 125/126 correct? IF this is what the heater is reading, then the problem is the Thermistor,or temp sensor, and is very easy to replace.

If you have an Owner's Manual, there are part numbers and instructions on how to replace the Thermistor. If you do not have one, follow the link below and it will take you to one online:

http://www.pentairpool.com/pdfs/MaxEThermOM.pdf

Posted on Jul 01, 2009

  • 990 Answers

SOURCE: Purex Triton Minimax 400 pool/spa heater not igniting

This sounds like you have a problem with your pilot. You can check this with a small mirror to see if their is a spark when you turn it on. If you have any soot build up on the pilot that will stop the spark and keep it from lighting also. If you have a short on your pilot wire this could be the problem also. I hope this helps, good luck.

Posted on Dec 12, 2009

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