or exhaust air streams

03 to 10 minutes)

Installing this on a Natural Gas system will result in improper combustion and potential safety hazards

The 37K63 is the base part number used in technical manuals

Carrier EA52PH040 Metering Device 326010-701 or exhaust air streamsThe Carrier EA52PH040 Metering Device is a precision engineered Fixed Orifice AccuRater designed for specific R 410A residential and light commercial cooling systems. This factory authorized HVAC expansion device ensures consistent refrigerant flow into the evaporator coil, maintaining the pressure drop necessary for optimal heat exchange and system capacity. As a direct OEM Carrier replacement part, the EA52PH040 eliminates the reliability issues