The unit features a 4-position DIP switch for selecting the primary time range and a single-turn potentiometer for fine-tuning the exact duration within that range

Key Benefits for Contractors: System Compatibility: Exact OEM match for Utica and Dunkirk boilers

this combustion fan assembly ensures the consistent static pressure required to drive flue gases through the secondary heat exchanger for maximum AFUE performance

Reliable performance in heavy-duty HVAC applications across various Bard wall-mount models

pneumatic controls

Browning 1VL44X7/8 CLEAR PK Sheave 322056-301 The unit features a 4-positionFor precise speed control in light duty HVACR applications, the Browning 1VL44X7 8 CLEAR PK Sheave is a reliable choice. This single groove variable pitch sheave, constructed from durable cast iron, offers an outside diameter of 4. 15 inches and features a 7 8 inch fixed bore. Engineered for fractional horsepower (FHP) systems, it provides a variable pitch range of 2. 7 to 4. 2 inches, allowing for fine tuning of driven speeds. This HVACR sheave is