Description
The Resideo K06U1119 is a replacement sweat union assembly engineered for 1-inch pressure regulating valve systems, including D05, DS05, DS06, and FK06 series valves. By providing a complete union connection between the valve body and the piping system, this kit makes installation straightforward and future servicing hassle-free — no pipe cutting or re-soldering required.
Each kit includes a union nut, sweat tailpiece, and sealing gasket, delivering a tight, leak-resistant connection rated for potable water and hydronic system conditions. Whether you’re completing a new installation or restoring an existing pressure regulating valve setup, the K06U1119 ensures long-term sealing reliability in residential and light commercial plumbing and hydronic applications.
Key Features
- 1-inch sweat union assembly designed for pressure regulating valve systems
- Compatible with Resideo D05, DS05, DS06, and FK06 series valves
- Includes union nut, sweat tailpiece, and sealing gasket
- Enables easy valve installation and future servicing without pipe removal or re-soldering
- Suitable for potable water and hydronic system applications
- Durable construction for dependable, long-term sealing performance







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