Heil Quaker ICP 709557 Limit Switch R-407C Using natural gas orifices in

Using natural gas orifices in LP systems will cause improper combustion and safety hazards

meaning it opens on temperature rise

Thermal Protection: Built-in safeguards to prevent motor burnout during extreme ambient temperature fluctuations

ideal for rooftop units and engine compartments

This is an integrated electronic control valve designed for specific spark-ignition systems

Heil Quaker ICP 709557 Limit Switch R-407C Using natural gas orifices inThe Heil Quaker ICP 709557 Limit Switch is a critical safety component designed for high limit temperature regulation in ICP furnaces. Engineered to handle a fixed temperature range of 160 200F, this auto reset limit switch acts as a primary defense against heat exchanger damage. When the internal plenum temperature exceeds the safety threshold, the 709557 switch breaks the electrical circuit to the gas valve or heating elements, preventing hazardous