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- Grundfos Union Isolation Valve Set, 1/2 in NPT Inlet Port, 1/2 in Union Outlet Port, Bronze Body
- For UP15-18SU, UP15-18SU, UP15-42SU, UP25-64SU union mount pump
- Inlet Port1/2 in NPTOutlet Port1/2 in UnionBody MaterialBronzeManufacturerGrundfosManufacturer #519850