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Hayward W3H150FDN Natural Gas Low NOx Heater
Hayward W3H150FDP Propane Low NOx Heater
Hayward W3H200FDN Natural Gas Low NOx Heater - Free Shipping
Hayward W3H200FDP Propane Low NOx Heater - Free Shipping
Fits Hayward H200FDN Natural Gas Heaters
Hayward W3H250FDN Low NOx Heater - Free Shipping
Hayward W3H250FDP Propane Low NOx Heater - Free Shipping
Hayward H400FDN Natural Gas - Has a cupro-nickle heat exchanger
Hayward W3H400FDP Propane Heater - Has a cupro-nickle heat exchanger
Original Hayward Part IDXL2BKP1930
Fits Hayward ED2 series low nox pool heater models natural gas and propane models.