Pentair 77707-0411 Gas Orifice Replacement Kit Pool and Spa Natural Gas Heater
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases This gas orifice kit is designed to use with Pentair Sta-Rite Max-E-Therm pool and spa natural gas heater model 400 and also compatible with Pentair MasterTemp pool and spa natural gas heater model 400. It includes 400K-BTU. Product Features Gas orifice