FD Heater Bypass Cartridge Replacement Kit for Universal H-Series Low NOx Pool Heater - Fits H150-H400 FDN/FDP Models - 2.7 lbs

Fd heater bypass cartridge kit Fits universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp Also fits universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp Weight 2.7 pounds