Armstrong Fluid Technology 426749-211 Adapter R-448A Standardized SPDT Logic: Provides versatile

Standardized SPDT Logic: Provides versatile switching capabilities for both normally open and normally closed circuit requirements

When performing an HVAC motor replacement

Integrating this Factory Authorized Part ensures that the motor remains within its thermal operating limits during long heating cycles

this specific model features integrated screw terminals and is designed for direct panel mounting

It is designed to fit the setpoint slot on standard covers

Armstrong Fluid Technology 426749-211 Adapter R-448A Standardized SPDT Logic: Provides versatileThe 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