Pentair Pool Products Thermal Regulator Kit Mfg# 77707-0010 Fits Max-E-Therm and MasterTemp Heaters. , Prevents condensation in gas fired heaters when incoming water is below 75 degrees. Includes the following parts: 38000-0007S Thermal Regulator, 35505-1313 Thermal Reg Cap O-Ring, Thermal Reg Spring, Thermal Reg Spring Clip, Thermal Reg Cap, UPC Code : 022315209701

 California Residents WARNING: Cancer and Reproductive Harm

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