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

This unit is specifically built with a 1/2 inch NPSM internal thread (or standard thermometer thread) to accept industrial series glass thermometers or bimetal gauges

allowing for a secure "plug-and-play" interface with Copeland Comfort Control (Alco) Controls hardware

In industrial and commercial HVAC applications

depending on specific pressure drop requirements

Fenwal 05-100000-422 Ignitor Sensor Whether you are troubleshooting aThe 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