Fireye NXCESVFD VFD Expansion Card 322838-754 Replace your faulty inducer safety

Replace your faulty inducer safety circuit with the Lennox 92L21 Pressure Switch

Engineered with a bronze body and brass trim

and combustion air pressure

Direct OEM Compatibility: Engineered to replace legacy part numbers 48MA407203

Fireye NXCESVFD VFD Expansion Card 322838-754 Replace your faulty inducer safetyThe Fireye NXCESVFD VFD Expansion Card is a critical hardware component designed specifically for integration with the NexSys PPC4000 fuel air ratio controller. This expansion module allows technicians to implement Variable Frequency Drive (VFD) control for combustion blower motors, enabling precise modulation and significant energy savings. By utilizing the Modbus communication protocol via the dedicated serial interface, the NXCESVFD provides real