Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) pleatco Part number 3903-EADE provides a

Part number 3903-EADE provides a reliable reference for service matching

Improves stability and overall repair quality

Helps restore the mounting and connection interface

The Hydro-Quip hi-limit heater assembly pre-wired harness is designed for compatible heater applications where the supported hi-limit wiring connection needs replacement

these filter bags help support dependable debris capture and more convenient long-term maintenance

Pentair Sta-Rite MasterTemp 400/Max-E-Therm 400 Natural Gas Orifice (77707-0411) pleatco Part number 3903-EADE provides aThis 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.