Description
The Taco Comfort Solutions 3492-050-BC1 is a combination pressure reducing valve (PRV) and backflow preventer designed for residential and light commercial hydronic heating systems. By integrating both functions into a single, compact assembly, this unit simplifies installation, reduces the number of connection points, and saves valuable space in mechanical rooms and boiler closets.
Product Overview
This combination valve automatically reduces incoming supply pressure to a safe, preset level suitable for hydronic system operation while simultaneously preventing contaminated system water from flowing back into the potable water supply. The result is a reliable, code-compliant fill station that protects both the heating system and the building’s water supply.
Connection & Configuration
- Inlet connection: 1/2″ sweat (solder) union
- Outlet connection: 1/2″ NPT (National Pipe Thread)
- Union inlet design allows for easy removal and servicing without disturbing surrounding piping
Key Features
- Combination PRV and backflow preventer in one integrated assembly
- Reduces installation time and material costs versus separate components
- Union sweat inlet for straightforward field installation and future serviceability
- Compact, space-saving design ideal for tight mechanical installations
- Protects potable water supply from cross-contamination
- Maintains consistent system fill pressure for reliable hydronic operation
Typical Applications
- Residential and light commercial boiler systems
- Hydronic radiant heating systems
- Hot water heating systems requiring automatic fill and backflow protection
Trust Taco Comfort Solutions — a leader in hydronic system components — to deliver the performance and reliability your heating system demands. The 3492-050-BC1 is an efficient, professional-grade solution for any hydronic installation.







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