Armstrong Fluid Technology 810134-001K Seal Kit 318172-701 NPT Compatibility: Standard 1/2-inch NPT

NPT Compatibility: Standard 1/2-inch NPT threaded connections allow for direct installation into existing piping without specialized adapters

it is best to verify pin configurations and mount compatibility before installation

Testing involves checking for 24V at the heater terminals

always verify the system's MAWP before installation

Compact Low-Profile Design: Optimized for limited-space installs like RV furnaces and zero-clearance fireplaces

Armstrong Fluid Technology 810134-001K Seal Kit 318172-701 NPT Compatibility: Standard 1/2-inch NPTThe 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