Durable Construction: Steel shell design provides maximum burst pressure safety and corrosion resistance

deep groove ball bearing engineered specifically for high-efficiency electric motors and HVACR applications

Ensure the transformer has adequate VA capacity to handle the dual-solenoid draw during high-stage operation

The composite disc is optimized for low-pressure steam applications up to 20 psi

Fireye NXCESVFD VFD Expansion Card 318518-761 Durable Construction: Steel shell designThe 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