Heil Quaker ICP 1171904 Limit Switch 318172-701 Universal Mounting: Supports shell-screw

Universal Mounting: Supports shell-screw

Direct Compatibility: Seamlessly replaces legacy HT-6703-0N00W models without requiring extensive rewiring or controller reconfiguration

this component is built to withstand the thermal cycles common in hotel and multi-family HVAC applications

While the heater provides constant wattage when energized

this integrated control board utilizes specialized firmware parameters to maintain the precise fuel-to-air ratio required for efficient condensing boiler performance

Heil Quaker ICP 1171904 Limit Switch 318172-701 Universal Mounting: Supports shell-screwThe Heil Quaker ICP 1171904 Limit Switch is a critical safety component designed for precise thermal regulation within high efficiency furnace systems. This L145 55F primary limit switch features a 145 degree Fahrenheit cut out setpoint and a 55 degree Fahrenheit differential for automatic reset, ensuring the heat exchanger does not exceed safe operating temperatures. As an OEM ICP furnace replacement part, it provides exact fitment for Heil,