Verify your unit's wiring schematic to ensure match for the 460/480-volt 3-phase power specifications

compatible with most boiler tapping points

consistent heating performance

Built with a robust IP65-rated enclosure

Ensure your ventilation system meets indoor air quality standards by using the authentic Air Xchange 181762A designed for long-term mechanical reliability

Browning 1VP50X1 Sheave 320074-702 Verify your unit's wiring schematicThe Browning 1VP50X1 Sheave is a precision machined variable pitch pulley designed for high torque HVACR fan and blower applications. Engineered from durable cast iron, this single groove component features a 1 inch fixed bore and a 4. 75" outside diameter, providing critical belt tension adjustment capabilities for system balancing. This sheave supports a wide range of power transmission requirements, offering a variable pitch range of 3. 3 to 4. 4