Grundfos Brass Union Set 93107333 (G1½" × Rp1", 25mm) — suits UPS 25 and ALPHA2 25 Series Pumps

Genuine Grundfos brass union set, part number 93107333. G1½" union nut to Rp1" (25mm) female thread. Sold as a set of two. These are the unions that connect a 25mm Grundfos circulator to the pipework. Brass is the correct material for solar hot water and potable water systems. Specifications Grundfos part number: 93107333 Pump side: G1½" union nut Pipe side: Rp1" (25mm) female thread Material: brass Quantity: 2 unions (one set) Suits Grundfos UPS 25-xx series (130mm and 180mm) Grundfos ALPHA2 25-xx series (130mm and 180mm) Need isolation valves? If you want unions with built-in ball valves, see the Grundfos Union Valve Set 93108134. Note Grundfos cast-iron union sets (99672022) are for closed heating circuits only and are not suitable for hot water or solar systems.