Response to I have the Hayward H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas, Low Nox and I need the indoor "vent kit" I have attached a picture of what I think I need but you folks tell me I need Something a little different. Please view the picture and call me at 517-719-6300 to discuss. I'm trying to place thius order in the next hour. thanks, Jerry

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