Question about Jandy Lite 2 Natural Gas Pilot Light Heater

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Jandy lite 2 LG pool heater

When i turn heater on it lights like normal for about a minute then goes out? Pump pressure temp and switch on?

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Pressure switch will do exactly what you checked for, when the pump is not running. voltage on one side but not the other is normal when the pump is off. With pump on & operating, you should have voltage on both sides. One lead on the common wire at the transformer and the other checking the flow of electricity across the switches.

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