Grundfos 00525530 Check Valve Assembly 321894-709 ensuring consistent 2-stage firing rates

ensuring consistent 2-stage firing rates between 5" and 10" water column

Will this fit models using a 48-frame motor

Precise Airflow Detection: Ensures the pressure switch closes accurately to signal the control board for safe ignition sequences

Featuring Electronically Commutated Motor (ECM) technology

Is this kit compatible with standard field retrofits

Grundfos 00525530 Check Valve Assembly 321894-709 ensuring consistent 2-stage firing ratesThe Grundfos 00525530 Check Valve Assembly is a critical replacement component engineered specifically for UPS26 99FC and UPS26 99BFC series circulator pumps. As a veteran technician knows, maintaining unidirectional flow is vital in hydronic heating and cooling systems to prevent ghost flows and thermal siphoning. This 1 4 inch check valve kit comes as a complete field service solution, including the high durometer gasket, tailpiece, and specialized