Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) filburmfg and this Filbur FC-0419 cartridge

and this Filbur FC-0419 cartridge is designed for 7CH-322 and PCS32-2W/OAD applications

The Waterway 229-8167 Poly Storm internal is designed for compatible threaded jet assemblies and features a 4 inch face diameter with directional action

Supports the mechanical action of the cleaner’s scrubber system

The SPX3210X15XEPE is a practical replacement for compatible Hayward TriStar XE systems that need renewed motor performance and cleaner long-term operation

Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) filburmfg and this Filbur FC-0419 cartridgeThis natural gas orifice is intended for compatible 400K MasterTemp and Max E Therm heater gas systems. The part helps meter natural gas flow to support the correct burner operation for the heaters design. It may be needed during gas train service, repair after incorrect parts were installed, or fuel configuration work. Because combustion safety depends on accurate part selection and testing, service should be performed by a qualified technician.