StaRite MaxeTherm Pentair MasterTemp Heater O-ring Kit, 777070120
77707-0120 Sta Rite Max E Therm O-Ring Kit (Includes #s 2, 4) Used on Sta-Rite MaxeTherm and Pentair MasterTemp pool heaters. Kit includes 12 Heat Exchanger Tube O-rings and 1 large rectangular O-ring to seal the header or manifold. Fits all sizes, 175-400 BTU. See More Sta-Rite Max-E-Therm heater parts in our parts department.