Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) filburmfg Supports the mechanical action of

Supports the mechanical action of the cleaner’s scrubber system

In heater work

This OEM diffuser is a practical replacement for compatible DynaGlas and DynaPro pumps that need renewed wet-end hydraulic support during maintenance

end cap style

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 Supports the mechanical action ofThis 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.