When performing a furnace repair or routine collector box service

A built-in DVM diagnostic test point allows for rapid voltage measurements directly from the front face

With a 1/2" NPT external thread and a 1/4" NPT internal thread

weather-tight interface with the system controller

Browning BK120X 1 3/16 Sheave 322057-301 When performing a furnace repairThe Browning BK120X 1 3 16 is a heavy duty, single groove cast iron sheave designed for reliable power transmission in industrial HVACR applications. Engineered for high torque environments, this cast iron pulley features an 11. 75 inch outside diameter and is precision machined for a 1 3 16" fixed bore. It is compatible with a wide range of drive configurations, specifically accommodating A belt, B belt, 4L, and 5L series V belts. The BK120X sheave