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It could be it. The pilot generator may be weak. The Valve could be defective. The High limit or other safties could also be defective. Could be corrosion on the connection. could be a water flow broblem. could be a weak flame

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Q: Is the thermocoupler bad if a Teledyne Laars series 1 EPG 250 pool heater pilot light ignites and burns high but does not light the burners?
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