Engineered for precise fuel flow regulation

It is a drop-in direct replacement for 411-857-000 and 390686-25

Compatible with Selectra modulation systems and SC11 signal conditioners

reliable installation on the job site

Armstrong Fluid Technology 426749-211 Adapter Refrigerant Engineered for precise fuel flowThe Armstrong Fluid Technology 426749 211 Adapter is a critical precision engineered component designed for high performance HVAC pump systems. Constructed from high grade cast iron, this 8 inch pump adapter ensures the permanent alignment of internal rotating parts, specifically fitting 143 184JM motor frames. As the 426749 211 is the direct replacement for 426749 011, it provides a seamless upgrade path for maintaining Armstrong Series 4030 and 4380