It also works for gravity-vented Models F and B when a power venter is installed

For technicians managing 24V AC 60Hz systems

allowing technicians to verify voltage requirements at a glance during service calls

the set point is 80°F

How often should this expandable filter be replaced

Heil Quaker ICP 1398442 Fan Relay R-410A It also works for gravity-ventedFor 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