and 4000 series furnaces

The Mueller A16472 Receiver Valve is a critical component for technicians maintaining high-pressure refrigeration systems and commercial HVAC units

This 1/8 HP OEM replacement motor operates at 208-230V and a nominal speed of 840 RPM

Precision Calibration: Fixed 15°F open and 35°F close points prevent short cycling and ensure accurate defrost termination

providing precise superheat control

Daikin-McQuay 330419603 Water Sensor 321142-301 and 4000 series furnacesThe Daikin McQuay 330419603 Water Sensor is a precision 3K MR thermistor engineered for heavy duty chiller evaporator monitoring. Standard in many water cooled chiller configurations, this evaporator leaving water sensor provides real time temperature feedback to the main control board to manage the approach temperature and prevent freeze up conditions. High accuracy temperature sensing is critical in HVAC refrigeration loops to ensure the compressor