Question about Pentair 150k Minimax Ch Ng Mv Heater

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Pilot light is on but burners will not kick on. If I turn on the switch I get no response. Once in a while the burners kick on the shut off after about 2 min. Then they will do the same thing on and off for about 30 min. More often the unit just does not turn on.

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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 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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