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    Hayward H400FDN Combustion Blower Question

    I am fighting issues with my Hayward H400FDN heater. I have been replacing parts step by step to try to get it working. I just received a new combustion blower for it, and the new one has only 2 wires (black and white) but the existing blower has 4 wires (black, white, red, blue). Did I order...