For professional contractors

Key Benefits High Dielectric Strength: Rated for 370 VAC

This yellow-coded thermistor provides real-time thermal resistance feedback to the control board to prevent compressor overheating and liquid slugging

How do I test the 1171981 switch for continuity

and mechanical wear

Heil Quaker ICP 1171449 Flame Sensor For professional contractorsThe Heil Quaker ICP 1171449 Flame Sensor is a critical OEM replacement component designed for high performance flame rectification in International Comfort Products (ICP) residential and commercial heating units. For technicians troubleshooting a furnace short cycling or ignition failure, this genuine ICP flame rod provides the precise feedback signal required by the integrated furnace control to maintain the gas valve circuit. Modern HVAC flame