This HVAC expansion valve is calibrated for specific pressure ranges

the switch detects excessive heat near the burner assembly and opens the circuit to shut down the heating cycle

ensuring they seat properly in standard thermocouple-style pilot burners

This motor is equipped with a 5/8" diameter keyed shaft that is 3-3/4" in length

Technical Compatibility: Fully interchangeable with HKN-3153684

Trane MOT18977 Motor 318172-701 This HVAC expansion valve isFor contractors servicing high voltage commercial air handlers and ventilation systems, the Trane MOT18977 is a precise OEM replacement motor designed for 277V single phase applications. Operating at 1075 RPM, this 1 2 HP blower motor features a specific 3 speed configuration, allowing for tailored airflow across varying thermal loads. Encased in a rugged 48 frame with an open drip proof (ODP) housing, it is engineered to maintain internal cooling