it is balanced to OEM specifications to maintain high-static pressure performance across Bard wall-mount units and air handlers

this contactor can replace others with identical voltage

9 Cv rating and NPT threaded connections

ensuring exact tolerances and seal integrity

Field failures often manifest as hairline cracks or warping

Armstrong Fluid Technology 810134-001K Seal Kit 320788-702 it is balanced to OEMThe Armstrong Fluid Technology 810134 001K Seal Kit serves as the direct replacement for the legacy 810134 000 part number, specifically engineered for Series 4270 pumps. This 0. 625 inch Type 21 mechanical seal is built for durability and precision in commercial hydronic systems. The kit features a 304 stainless steel construction paired with EPDM elastomers, providing reliable chemical resistance and temperature stability for motor mounted