McDonnell & Miller 343500 Bellows Assembly R-410A ideal for low-pressure and high-vacuum

ideal for low-pressure and high-vacuum recovery cycles

Key Benefits System Protection: Minimizes pressure spikes to prevent the relief valve from nuisance tripping

and environmental contaminants

Key Benefits High-Temperature Resilience: Engineered with silicone elastomer to maintain flexibility and seal integrity in high-heat steam and hydronic applications

offering full compatibility with a wide range of Carrier

McDonnell & Miller 343500 Bellows Assembly R-410A ideal for low-pressure and high-vacuumWhen you are servicing a 64 Series low water cut off, the McDonnell & Miller 343500 Bellows Assembly (Model SA64 2) is the standard issue component required to restore essential boiler safety functions. This authentic replacement bellows assembly is engineered for heavy duty steam boiler control, specifically bridging the gap between the internal float mechanism and the electrical switch. As a direct fit part for 64 Series LWCO and 764 models, it