Grundfos 00525530 Check Valve Assembly 322056-301 ensuring all mounting holes align

ensuring all mounting holes align without the need for field drilling

How does this MERV 11 rating affect system static pressure

2-inch center-to-center screws provided

ensure the coil is not subjected to voltage spikes exceeding 110% of the nominal 24VDC rating to preserve the silver alloy contact life

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

Grundfos 00525530 Check Valve Assembly 322056-301 ensuring all mounting holes alignThe 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