Lennox 45H70 Relay this 4" replacement diaphragm restores

this 4" replacement diaphragm restores OEM-spec performance to aging actuators

Durable Construction: Heavy-duty mechanical design eliminates the failure points common in electronic controls in high-dust industrial environments

ensuring efficient refrigerant pressure monitoring and connectivity without fluid loss

While light oxidation can be removed with a non-conductive abrasive pad

Simplified Installation: Standardized port sizing reduces labor time during condensate assembly replacement

Lennox 45H70 Relay this 4" replacement diaphragm restoresThe Lennox 45H70 is a high performance 3PDT fan control relay designed for precise switching in demanding HVACR applications. Operating on a 24V coil, this three pole, double throw component is engineered to manage fans, blowers, and motor circuits in both residential and commercial equipment. It is functionally identical to and replaces the Lennox 45H7001, ensuring a direct drop replacement for field service. Rated for 10A at 120 240VAC and 5A at