McDonnell & Miller 341500 Bellows Assembly R-134A fixed-setting control engineered for demanding

fixed-setting control engineered for demanding HVACR applications

ensuring optimal comfort year-round

Key Benefits Precision Sizing: Engineered as a 1

A mid-point ground balances the voltage strain across the secondary windings

ensuring pressure does not creep when the burner is off

McDonnell & Miller 341500 Bellows Assembly R-134A fixed-setting control engineered for demandingThe McDonnell & Miller 341500 Bellows Assembly (Model SA47 4) is a critical replacement component designed for Series 47 Mechanical Boiler Water Feeders. When maintaining low water cut offs (LWCO) and water level control systems, the integrity of the large bellows assembly is paramount for ensuring accurate buoyant force transmission and pilot valve actuation. This assembly utilizes a robust construction to handle the thermal stressors and pressure