3-inch long sensing bulb offers high thermal sensitivity and response time to shifting air temperatures

land your lead on the N/C terminal and the common terminal

Bypassing a 180-degree limit switch is never recommended outside of momentary diagnostic testing by a qualified technician

Integrating this precision-machined pilot orifice restores the correct gas flow rate to the pilot assembly

Heil Quaker ICP 1173830 Flame Sensor 3-inch long sensing bulb offersFor an HVAC technician, a reliable flame signal is the difference between a successful service call and a nuisance lockout. This Heil Quaker ICP 1173830 Flame Sensor is a genuine OEM furnace replacement part, engineered for precise flame rectification in high efficiency residential systems. Also known by part number 1173830 or PSE CE17, this critical safety component monitors the burner flame immediately after ignition. If the rod fails to detect a