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preventing the gummy buildup that often causes nuisance boiler shutdowns
maintaining structural integrity in tight-bend radii without kinking or flow restriction
Engineered with a durable aluminum body and NBR (Nitrile) seals
Always verify the 1/2" shaft size and clockwise rotation against your existing motor before installation
What are the symptoms of a failing Lennox TXV
Armstrong Fluid Technology 810134-001K Seal Kit 322838-753 preventing the gummy buildup thatThe 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
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