Browning BK34X1 Sheave 319852-301 if it shows "Open" or

if it shows "Open" or "OL" while cool

It is critical to verify that your existing burner setup is compatible with a mid-point ground transformer before installation to ensure safe operation

ensuring backward compatibility with older AWHC configurations

Hermetically sealed construction prevents sensor degradation from oil fumes and soot

Browning BK34X1 Sheave 319852-301 if it shows "Open" orThe Browning BK34X1 Sheave is a high grade cast iron V belt pulley engineered for reliable power transmission in industrial and HVACR systems. Built with a 1 inch fixed bore and a 3. 55 inch outside diameter, this single groove sheave is a precision machined component designed to meet the rigorous demands of fractional horsepower applications. Its combination groove design is specialized for versatility, providing seamless compatibility with 4L, 5L,