Sterling J38R04578-002 Pilot Assembly 30067439-890 at which point it closes

at which point it closes to complete the high-voltage circuit

If the 200°F threshold is exceeded

or a stuck valve pilot that prevents the coil from dissipating heat properly

ensuring reliable ignition in low-voltage or high-head pressure conditions

handling temperatures from 0°F to 250°F (-18°C to 120°C)

Sterling J38R04578-002 Pilot Assembly 30067439-890 at which point it closesAs a seasoned technician, you know that a soft lockout or a fluctuating flame signal often traces back to a fouled Sterling J38R04578 002 Burner Pilot Assembly. Designed for LP gas heating systems, this OEM RH (Right Hand) assembly is the standard replacement for Sterling unit heaters and Beacon Morris QV series models. It features a high grade K type thermocouple and a durable pilot burner tube engineered to maintain a stable standing pilot flame