Grundfos 00525530 Check Valve Assembly 322056-301 The integrated manual reset button

The integrated manual reset button provides a critical safety layer

ensuring all mounting holes align without the need for field drilling

5" shaft ensure a drop-in fit for horizontal mounting applications

Is the R10526400 compatible with both natural gas and propane configurations

How does this MERV 11 rating affect system static pressure

Grundfos 00525530 Check Valve Assembly 322056-301 The integrated manual reset buttonThe 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