Grundfos 509971 Brass Union Pair 2″ BSPF x 1 1/4″ BSPF Pump Connectors for Domestic Installations
£69.99Grundfos 509971 Brass Union Pair with 2″ BSPF x 1 1/4″ BSPF threads, designed for secure, corrosion-resistant connections in domestic pump systems.