18 PF (Pressure Factor) model

It allows the flame rectification signal to be transmitted from a separate sensing rod back to the module

and HST electrical components

Key Benefits High-Capacity Control: Features 8 conductors to support advanced smart thermostat installation and multi-stage equipment

technicians typically replace the blower bearings (such as the SRC-16-1-1 unit) simultaneously to ensure a smooth

Carrier 50HJ441618 Flue Hood Kit 321702-401 18 PF (Pressure Factor) modelThe Carrier 50HJ441618 Flue Hood Kit is a critical OEM component engineered for optimal combustion gas venting in commercial HVAC rooftop units. Serving as the direct replacement for 48HJ660001 and 50DK505977, this kit ensures precise flue gas management and prevents moisture infiltration into the heat exchanger assembly. Constructed from heavy gauge galvanized steel for superior corrosion resistance, it is purpose built for Carrier and Bryant 48 50