By diverting high-temperature discharge gas directly to the evaporator inlet or suction line

The Fireye NXCESUV is a high-sensitivity ultraviolet amplifier card specifically engineered for field installation within the Fireye NXF4000 Burner Management System (BMS)

For differential pressure monitoring across a filter or coil

the 50M56D-751 is generally used as a direct replacement where twinning is not utilized

Lennox 81M15 Terminal Block 321142-301 By diverting high-temperature discharge gasThe Lennox 81M15 Terminal Block is an essential OEM power distribution component designed for high amperage HVACR applications. Engineered to handle a 175A current rating and sustaining up to 600V AC DC, this 3 pole terminal block facilitates secure, multi point electrical connections across commercial and industrial Lennox equipment. Its robust construction is specifically built to withstand the high heat environments and mechanical vibrations