Question about Hayward 2001 Series Millivolt Gas Pool Heater 200000 BTU ()

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Pilot light is lit but the heater won't fire

First time firing it up this spring, pilot light has been lit but nothing happens when I turn it on. The thermostat was replaced last year and the gas valve was replaced probably 3-4 years ago. Any ideas why it won't start?

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It's possible there is a blockage in one of the lines---those tubes are a very popular place for spiders to build a nest. check especially where you see curves in any of the tubes

Posted on May 11, 2010

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