Question about Hayward H Series Millivolt 250,000 Btu Pool Heater H2501

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I have a Hayward propane pool heater (60,000) BTU. The pilot will light fine and remain lit. I then turn the unit to the ''on'' position and the burner will kick on. The unit appears to work fine for about 5 mins, but will then shut off. The burner and the pilot light will go out. The heater has not been used in a few years....any suggestions?

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When the heater lights is there a hard whooshing sound? If so, then you might be experiencing a "concussion" light.....this means that the gas puddles before igniting and "explodes" when it hits the pilot flame. This concusssion will extinguish the pilot and the pilot generator will start to lose voltage until it drops below the minimum required for gas valve operation.

Posted on Jun 28, 2009

  • fixem2 Jun 28, 2009

    P.S. check to make sure the pilot flame is flairing out over the burner and that there are no obstructions on the burner orifices.

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Sounds like when burner kicks in it is diverting gas away from pilot. you have either too low pilot heighth or more likely an obstruction in pilot assembly

Posted on Jun 21, 2009

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