Pay in 4 interest-free payments of $25.55 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
the 78H40 (identical to Lennox 78H4001) regulates refrigerant flow into the evaporator coil by sensing heat load changes
The International Environmental 70556312 is a heavy-duty
store the container in a cool
or airflow restriction caused by damaged or warped factory enclosures
Carrier HK02YB160 Pressure Switch 318518-761 the 78H40 (identical to LennoxThe Carrier HK02YB160 Pressure Switch is a critical OEM safety and control component engineered for Carrier, Bryant, and Payne HVAC systems. As a specialized fan pressure switch, it monitors internal air pressure within the furnace or fan assembly to ensure safe and efficient operation. This switch is factory calibrated to a 260 PSI close and 160 PSI open specification, providing a reliable mechanical interface for cycling the fan motor based on