Description
The International Environmental 70556312 is a heavy-duty
the 78H40 (identical to Lennox 78H4001) regulates refrigerant flow into the evaporator coil by sensing heat load changes
or airflow restriction caused by damaged or warped factory enclosures
Reusing old bearings on a new shaft can lead to immediate surface damage and significant operational noise
Carrier HK02YB160 Pressure Switch 318518-761 The International Environmental 70556312 isThe 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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























