Heil Quaker ICP 1171904 Limit Switch 318172-701 Always check the blower wheel

Always check the blower wheel for balance and debris during installation

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

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

Can I use this valve with various refrigerants

Heil Quaker ICP 1171904 Limit Switch 318172-701 Always check the blower wheelThe 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,