Heil Quaker ICP 1398442 Fan Relay 321142-301 this combustion air pressure switch

this combustion air pressure switch kit is factory-calibrated to a 0

Common Questions How do I know if my bypass valve needs replacement

What happens if the capacitance (MFD) rating is incorrect

this T&P relief valve is set to trigger at 150 PSI and 210°F

For high-pressure R410A applications

Heil Quaker ICP 1398442 Fan Relay 321142-301 this combustion air pressure switchFor contractors and seasoned HVACR technicians, the Heil Quaker ICP 1398442 Fan Relay (also referred to as a DPST Combustion Fan Relay) is a critical 24 volt component for maintaining precise control over the inducer motor or blower sequence. This Double Pole Single Throw (DPST) relay is engineered by International Comfort Products to handle the heavy duty cycles found in residential and commercial heating units. By utilizing a 24V coil to actuate