Browning 1VL40X1/2 Sheave 326058-755 It creates 100% negative pressure

It creates 100% negative pressure within the vent pipe

Verify the part number against the unit's schematic

This OEM replacement part features a temperature range of 80-140F

With integrated 4-20mA communication and a built-in audible alarm

Browning 1VL40X1/2 Sheave 326058-755 It creates 100% negative pressureThe Browning 1VL40X1 2 Sheave is a high grade cast iron variable pitch pulley engineered for fractional horsepower (FHP) applications in HVACR systems. Specifically designed for precision air handling, this 1 groove VL sheave features a 3. 75" outside diameter and a 1 2" fixed bore with keyway. It provides a versatile adjustable pitch diameter ranging from 2. 3" to 3. 8", allowing technicians to fine tune blower speed and system CFM with exactness.