Browning 2BK70H Sheave 322055-301 a furnace limit switch trips

a furnace limit switch trips due to restricted airflow caused by a dirty filter

Simplified Wiring: Includes a junction box with screw terminals for secure and rapid field connections

Industrial Durability: Constructed with corrosion-resistant materials suitable for high-cycle commercial air distribution environments

mitigating the risk of premature hardening and failure in high-load environments

Replacing a failed limit switch with this factory-specified thermal disc control restores the sequence of operation and prevents premature blower cycling or system lockout

Browning 2BK70H Sheave 322055-301 a furnace limit switch tripsThe Browning 2BK70H Sheave is a high grade cast iron pulley engineered for heavy duty industrial and HVACR power transmission applications. Featuring a 6. 75" outside diameter, this double groove sheave is designed for use with H series bushings, ensuring a secure and concentric fit on the shaft to minimize vibration. It is precision machined to accommodate 4L, 5L, A, and B belts, providing versatile cross compatibility for belt driven blowers and