Caleffi 549596A 4-In-1 Hydraulic Separator 1" Sweat Union SEP4

The Caleffi 549596A 4-In-1 Hydraulic Separator SEP4 is a mechanical component used to provide air separation, dirt removal, and magnetic particle capture in HVAC systems. It has 1-inch sweat union connections, and it creates hydraulic separation between primary and secondary circuits while continuously removing entrained air and system contaminants from circulating water. It is placed in boilers, chillers, and radiant heating systems where flow balancing and water management are vital to system performance. It supports efficient heat transfer, protects pumps and valves from debris accumulation, and stable operation throughout the hydronic system.