Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) filburmfg 0kW trombone style heater is

0kW trombone style heater is built for that type of setup

end cap style

Supports the mechanical action of the cleaner’s scrubber system

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

Hayward variable-speed Super Pump

Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) filburmfg 0kW trombone style heater isThis 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.