Trane SHE5939 Sheave 320720-756 The Watts 0384042 (Model 740-2-30)

The Watts 0384042 (Model 740-2-30) is a high-capacity boiler pressure relief valve engineered specifically for hot water space heating systems

it facilitates optimal chiller efficiency by monitoring electrical parameters and adjusting operation based on thermal load demands

the 621080 and 621080R are interchangeable

OEM Compatibility: Exact replacement parts for the 38-200 series

managing critical sequences including the hot surface igniter (HSI)

Trane SHE5939 Sheave 320720-756 The Watts 0384042 (Model 740-2-30)When you're out in the field servicing a commercial air handler or a belt driven condenser, you need a replacement sheave that holds its settings under load. The Trane SHE5939 is an industrial grade, single groove variable pitch sheave designed for precision airflow balancing and reliable power transmission. Cast from high quality gray cast iron, this 1VP40 model sheave features a 3. 75 inch outside diameter and a 7 8 inch fixed bore with a standard