Armstrong Fluid Technology 8426401-006 Gasket 321894-709 replacing a failing circulator with

replacing a failing circulator with this HVAC circulation pump restores system equilibrium

High Torque Output: Rated at 140 lb-in to reliably drive large industrial combustion dampers and heavy-duty flow valves

Rated for 208/230V operation

the BD34519 (identical to model B34519-235) provides a robust straight-thru flow path

Direct OEM Compatibility: Engineered as a drop-in Fasco D9623 mechanical replacement for Nordyne 6210806

Armstrong Fluid Technology 8426401-006 Gasket 321894-709 replacing a failing circulator withThe Armstrong Fluid Technology 8426401 006 Gasket is a critical OEM pump replacement part engineered for high performance sealing in commercial hydronic systems. This 11. 5 inch nitrile gasket (Buna N) is designed specifically for Armstrong S & H Series pumps and Design Envelope fluid handling units. Nitrile construction ensures superior resistance to petroleum based oils, water, and common glycol based heat transfer fluids, maintaining seal integrity