Grundfos Pumps 519852 Circulating Pump Isolating Valve Union Set

The Circulating Pump Isolating Valve Union Set for Grundfos pumps provides quick, leak-tight isolation during maintenance and service. Model 519852 features a 3/4 inch threaded connection and a rugged bronze body designed for long-lasting performance in both heating and cooling systems.

Specifically engineered for UP-brand circulating pumps, this isolating valve union set delivers reliable shut-off without compromising flow. It includes all necessary components to install right away: two nuts, a gasket, and an adapter, ensuring a secure and durable seal.

• Size: 3/4 inch threaded
• Material: Bronze
• Compatibility: UP model Grundfos circulating pumps
• Includes: 2 nuts, gasket, adapter
• Installation: Easy to install with a tight, leak-free seal

Choose this bronze-bodied Union Set for dependable service in hydronic and domestic hot water systems. The bronze construction offers corrosion resistance and durability, while its compact design fits tight spaces common in pump installations. Designed for easy maintenance, it helps prevent leaks during valve servicing and reassembly.