Description
The Weil McLain 640-000-086 Circulator Pump UPS25-78 is a hydronic circulation unit used to move heated water through closed-loop piping networks in heating installations. It maintains continuous fluid movement between boiler units and connected heat emitters, supporting thermal distribution across the system. Installed within the boiler assemblies it regulates water flow to ensure efficient heat transfer and consistent system performance. It operates using a 115V electrical supply and maintains controlled circulation across connected piping pathways supporting balanced hydraulic movement and steady operational flow within integrated heating circuits and HVAC systems.









