Armstrong Fluid Technology 89975001-83702K Seal 321894-709 Operates at a high-speed 2950

Operates at a high-speed 2950 RPM to maintain necessary flue gas velocity and prevent combustion staging errors

using a Lennox replacement part ensures the safety and operational integrity of the combustion air proving circuit

eliminating the risk of air bypass common with generic alternatives

ensuring the evaporator clears frost before the compressor restarts

Armstrong Fluid Technology 89975001-83702K Seal 321894-709 Operates at a high-speed 2950The Armstrong Fluid Technology 89975001 83702K Seal is a precision engineered silicon carbide mechanical seal designed for high performance fluid handling. This shaft seal replacement is the direct successor to the 89975001 837, offering enhanced durability for abrasive environments. Built to handle abrasive glycol and high temperature water applications, the 89975001 83702K features silicon carbide faces that provide exceptional hardness and wear