In industrial and commercial HVAC applications

Whether you are troubleshooting a unit that fails to kick on the auxiliary heat or dealing with a stuck contactor

Common Questions What models are compatible with the 006713F O-ring kit

This square to round chimney kit serves as the direct replacement for 0128F00006

Manual reset button prevents the system from automatically restarting under unsafe conditions

Fenwal 05-100000-422 Ignitor Sensor In industrial and commercial HVACThe Fenwal 05 100000 422 Ignitor Sensor is a precision engineered flame sensor designed for high performance gas ignition systems. As a direct replacement for 22 100000 551, this component is critical for flame rectification, ensuring the ignition control board accurately detects the presence of a flame to maintain safe combustion. Built with high quality glazed Alumina ceramics and robust rod metals, this sensor is designed to withstand extreme