Browning 1VP56X7/8 Sheave 318973-401 this component is designed to

this component is designed to break the furnace circuit if the heat exchanger temperature reaches a 220-degree threshold

2-Pole Switching: Provides robust control for dual-line or multi-speed fan configurations

This normally closed solenoid valve features a 1/2" ODF sweat connection and a 9/32" port size

Rotolock Connectivity: Simplifies field installation and brazing procedures

Browning 1VP56X7/8 Sheave 318973-401 this component is designed toThe Browning 1VP56X7 8 Sheave is a heavy duty variable pitch sheave engineered for precise speed adjustment in HVACR and industrial applications. Constructed from high grade cast iron, this single groove sheave features a 5. 35" outside diameter and a 7 8" fixed bore, making it a reliable choice for fan and blower assemblies. The adjustable pitch diameter ranges from 3. 9" to 5. 4", allowing technicians to fine tune airflow and system performance