Honeywell Residential K06U1101 Valve Union Assembly Kit 3/4" Sweat

The Honeywell Residential K06U1101 3/4" Sweat Union Assembly Kit is a connection component designed for use with D05 and FK06 valves in HVAC systems. It provides a sweat-effective union fitting that connects piping to valves in heating and cooling water control lines. The assembly is used during installation or maintenance to allow secure attachment and disconnection of valve sections without disturbing adjacent piping. It is commonly used in hydronic systems, including boilers, chillers, and circulation loops, where controlled water flow regulation is required at valve points within the system layout.