Question about Hayward 100kbtu Pool Or Spa Propane Gas Heater H100idp1

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We have a hayward H100IDP1 pool heater,,we can hear fan come on,,but does not ignite...Was working fine beginning of season,,,notwont ignite..Pool filter is fine andrunning well,,could it be a pilot light? Actually I noticed the last time it ran westarted it again andit did fire up but turnedoff. could you please advise us what to check and how to go about it..

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Make sure the pipes are full of water. Check the thermostat to see if it is calling for heat. Make sure the thermostat is set to a temperature higher than the current temp of the water. If all those things are Ok then the unit may have gone off on high limit the last time you used it or the gas valve coils may have to be replaced. If there is a reset button for high limit press it. If not then the safety sensor for high limit may have to be replaced. If the unit fires up but does not stay on then the gas valve coils may need to be replaced.

Posted on Jul 18, 2009

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Pool Heater. Hayward H100ID Starts fine and heats for about 5 minutes. Then heat stops. You can feel the blower its just cold air.


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