gas venting through the relief valve

External Equalization: Features a 1/4" flare pressure equalization connection to ensure accurate superheat control in systems with high pressure drops

which is a primary cause of mechanical failure in scroll and reciprocating units

As a direct OEM replacement valve for discontinued part numbers 81660145U and 81660282

For technicians performing routine maintenance

Armstrong Fluid Technology 106158-000 Gasket 321142-301 gas venting through the reliefThe Armstrong Fluid Technology 106158 000 Volute Body Gasket is a precision engineered OEM replacement part designed to ensure a leak proof seal for high performance circulation systems. Specifically manufactured for the #5 bearing assembly, this component is critical for maintaining the pressure integrity of your Armstrong circulator pump. It is fully compatible with popular Series S and Series H models, including the Armstrong S 55, S 57, H 51, H