This is an electric expansion valve (EEV) and requires an electronic controller to operate

compensating for varying duct restrictions and filter loads

The Lennox 57M87 Blower Housing (also identified as LB-94726J) is a critical OEM replacement part engineered for high-performance air delivery in Lennox furnaces and air handlers

including Double Pole Double Throw (DPDT) setups

making it highly effective for applications where a small differential is required to maintain tight temperature tolerances

Fireye E350-3 Cable 30067439-890 This is an electric expansionThe Fireye E350 3 is a high performance 3 foot expansion module cable specifically engineered for the Fireye Flame Monitor burner management system. Designed for seamless integration with E300 and E320 expansion modules, this ribbon connector cable links the expansion module to the EB700 or EB721 chassis, providing critical data communication for advanced interlock supervision. By facilitating this connection, technicians can monitor up to 16