Built with a rugged bronze body and a stainless steel spring

installing genuine Armstrong burner components ensures field compatibility without the indexing issues often found in universal alternatives

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Integrating a genuine hydronic heating pump ensures exact electrical and physical compatibility

Heil Quaker ICP 1188027 Thermistor Assembly 318973-401 Built with a rugged bronzeThe Heil Quaker ICP 1188027 Thermistor Assembly is a critical OEM replacement part designed for precision temperature monitoring in high performance HVACR systems. This 37 1 2 inch suction line thermistor provides accurate thermal data to the control board, allowing for real time adjustments to refrigerant flow and compressor cycling. Engineered by International Comfort Products, the 1188027 (also identified as THERMISTOR ASY OST) is essential for