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this 4" replacement diaphragm restores OEM-spec performance to aging actuators
I’ve seen these used across countless industrial actuator accessories setups because they eliminate the "slop" that leads to hunt-and-peck positioning issues
While light oxidation can be removed with a non-conductive abrasive pad
By providing accurate temperature readings from up to 200 feet away using standard 18/2 thermostat wire
facilitating efficient field wiring and reduced labor time
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