Exact OEM Specifications: Matches Williams furnace replacement parts standards for immediate drop-in installation without manifold modifications

protecting downstream components and optimizing energy delivery across the heating cycle

5" wire important

After installing the LP spring and orifices

its drainage port locations and mounting supports are engineered specifically for York and Johnson Controls equipment to ensure a leak-proof seal

Belimo FSNF120 Actuator Freon Exact OEM Specifications: Matches WilliamsThe Belimo FSNF120 is a high torque fire and smoke damper actuator designed for life safety applications in HVAC systems. Operating on a 120 VAC power supply, this spring return actuator delivers 70 in lb of torque, ensuring reliable fail safe operation during power loss or fire alarms. Built with a rugged steel housing, it is engineered to meet UL555 and UL555S standards, capable of strictly managing smoke leakage in commercial ductwork. The unit