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

Professional installation ensures a leak-free interface

You should always verify compatibility with your furnace’s model number and serial number to ensure this HVAC OEM part is the correct match for your unit

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

Corrosion Resistance: Finished with a powder-coated exterior to withstand harsh environmental conditions in outdoor condensing units

Armstrong Fluid Technology 106158-000 Gasket 321142-301 External Equalization: Features a 1/4"The 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