Armstrong Fluid Technology 116523-136A Pump 320819-301 this model uses an R

this model uses an R bushing coaxial connection

and Arcoaire (Model series GUJ and NUG)

the limit switch may be failing

the Copeland 529-0138-01 is constructed with an environmental seal to prevent oxidation and moisture ingress at the terminal points

ensuring alignment with existing wiring diagrams and speed jumpers

Armstrong Fluid Technology 116523-136A Pump 320819-301 this model uses an RThe Armstrong Fluid Technology 116523 136A Pump is a high performance circulator pump designed for heavy duty commercial and industrial hydronic systems. As the direct replacement for 116523 136, this Model H68BF features a powerful 1. 5 HP motor capable of handling three phase power at 208 230 460Vac. Constructed with a rugged cast iron body and a non ferrous impeller, it ensures long term reliability in demanding HVAC pumping systems. The design