The CCW rotation (counter-clockwise) and band mount configuration ensure a drop-in fit for residential and light commercial furnaces

you must also verify the 10

this genuine OEM replacement part monitors internal temperature and amperage

While it shares specifications with some universal models

Designed to handle high-demand electrical loads

Browning B39 Belt 321894-708 The CCW rotation (counter-clockwise) andThe Browning B39 Gripbelt is a heavy duty Type B Super Grip Belt engineered for high torque power transmission in demanding HVACR and industrial environments. Featuring a 42" outside diameter and a 21 32" top width, this classical V belt is constructed with a neoprene wrapped single fabric design that reduces vibration and increases flexibility for use with smaller sheaves. Unlike standard FHP belts, the B39 belt is part of the Browning Code 1