A normally closed (N/C) valve remains shut when de-energized

preventing waterlogging in process heat exchangers

Whether you are performing a new high-efficiency HVAC installation or a seasonal maintenance check

Fail-Safe Operation: Mechanically certain spring return action retracts the shaft when pneumatic pressure is removed

making it compatible with potable water

Tecumseh K150-02 Run Capacitor 321702-401 A normally closed (N/C) valveThe Tecumseh K150 02 Run Capacitor is a critical HVAC R replacement part designed specifically for industrial and commercial compressor applications. Rated at 15 MFD 370V, this OEM Tecumseh capacitor ensures the precise phase shift required for optimal motor torque and efficiency. When diagnosing high amp draws or humming compressors, replacing a drifted or failed capacitor with this genuine component prevents winding overheating and potential