and heat pump reversing valve logic in York

Designed for seamless integration into older heater models and direct-fired systems

Strategic System Cleanup: Serves as the final filtration stage after burnout cores have removed acids and moisture

This specific part number features a 5/8-inch bore

it allows for a reliable field mounting process without the need for specialized factory equipment

Bard 8402-049 Limit Switch 322027-701 and heat pump reversing valveThe Bard 8402 049 Limit Switch is a critical OEM safety component designed for high performance temperature regulation in Bard wall mount HVAC units. This L150 35 limit control is engineered as a primary line break safety, featuring a 150F fixed setpoint and a 35F differential. When internal plenum temperatures exceed the 150F threshold, the switch opens the electrical circuit to prevent heat exchanger damage and system overheating. This specific HVAC