Armstrong Fluid Technology 810134-001K Seal Kit 322838-753 Always verify the 1/2" shaft

Always verify the 1/2" shaft size and clockwise rotation against your existing motor before installation

Enhanced Safety: Automatic ball checks in the upper and lower arms prevent hazardous fluid escape if the glass tube fails

F throttling range that is field-adjustable from 3

Frequent tripping usually indicates a failure of the primary operating aquastat

This OEM filter is the standard specification

Armstrong Fluid Technology 810134-001K Seal Kit 322838-753 Always verify the 1/2" shaftThe 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