this actuator is a direct replacement for models LFMM433

maintaining critical compressor efficiency and preventing oil logging in the evaporator

Efficient Field Service: Streamlines the maintenance workflow for HVACR technicians during critical system startups or oil changes

Featuring a 1-inch bore

maintaining the optimal pressure drop required to transition liquid refrigerant into a saturated vapor

Carrier HH57AC078 Enthalpy Sensor 320819-301 this actuator is a directEnsure your commercial HVAC systems operate with maximum efficiency using the Carrier HH57AC078 Enthalpy Sensor. This solid state OEM replacement part is essential for managing economizer control by accurately measuring both relative humidity and temperature. This dual sensing capability allows the system to calculate total heat content (enthalpy), enabling smart decisions between utilizing outdoor air or mechanical cooling to maintain setpoint