Proper calibration of this HVAC thermal expansion valve ensures consistent cooling output and maximizes the SEER rating of the equipment

This heavy-duty regulator ensures precise manifold pressure control across residential and light commercial equipment

Always verify the part number against the unit's rating plate to ensure the 240°F set point matches the original design

What happens if the blower relay fails

To prevent over-current issues or core saturation

Carrier EA02DZ456 TXV 322838-754 Proper calibration of this HVACThe Carrier EA02DZ456 is a high capacity 8 ton thermal expansion valve (TXV) designed for precision refrigerant metering in R22 and R407C HVAC systems. As a professional grade OEM replacement TXV, this component ensures optimal superheat control and evaporator efficiency in large scale residential and commercial condensing units. This specific model features a 5 8" sweat inlet and a 1 1 8" sweat outlet, providing a robust fit for high tonnage