this TP-851 control board allows for straightforward HVAC troubleshooting by simplifying the diagnostic path for ignition failure

By pressing the integrated setpoint button

and E710 series valves

R-410A Compatibility: High burst pressure rating makes it suitable for modern high-pressure HVAC systems

This control is designed for 24V AC

Heil Quaker ICP 1191126 Limit Switch 323613-751 this TP-851 control board allowsThe Heil Quaker ICP 1191126 Limit Switch is a critical high limit safety component engineered for precise thermal regulation within residential and light commercial forced air furnaces. As a high performance L150 40F limit switch, this device features an industrial grade snap action disc designed to interrupt the burner circuit if heat exchanger temperatures exceed the safety threshold of 150? F. The automatic reset functionality ensures the system