The Johnson Controls R-317-1 Air Flow Controller is a precision proportional direct acting pneumatic controller designed for low-pressure sensing in commercial HVAC systems

Its precision-stamped design features pre-drilled mounting holes that match existing factory points

Built to exacting Lennox HVAC parts standards

Key Benefits Precise 3-Way Switching: Specifically engineered for systems requiring 2-pole toggle switch logic for multi-circuit or multi-speed fan control

For contractors requiring a reliable NPT threaded ball valve for HVAC hydronic systems

Fasco D515 Motor 321894-708 The Johnson Controls R-317-1 AirThe Fasco D515 Motor is a specialized 1 30 HP replacement motor designed for high performance air moving applications. Operating at 115V with a nominal speed of 1500 RPM (nameplate 1550 RPM), this shaded pole motor is engineered for reliability in HVAC blower and exhaust systems. As a 3. 3 inch diameter motor, it features an Open Air Over (OAO) enclosure, ensuring optimal thermal management when positioned within the air stream. The CCW shaft end