Description
The Taco Comfort Solutions 3450-T3 is a combination pressure reducing valve (PRV) and backflow preventer engineered 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
Designed to automatically reduce incoming supply pressure to a safe, preset working pressure for the hydronic loop, the 3450-T3 also prevents the reverse flow of system water back into the potable water supply — a critical code requirement in most jurisdictions. The 1/2″ NPT connections make it compatible with standard residential boiler and hydronic system piping.
Key Features
- Combination PRV and backflow preventer in a single compact unit
- 1/2″ NPT inlet and outlet connections for easy integration
- Automatic pressure reduction to protect hydronic system components
- Integrated backflow prevention helps meet local plumbing and mechanical codes
- Durable construction designed for long service life in hydronic applications
- Taco Comfort Solutions quality engineering and manufacturing
Applications
- Residential and light commercial hydronic heating systems
- Hot water boiler fill and pressure regulation
- Radiant floor heating systems
- Baseboard and panel radiator systems
Why Choose the Taco 3450-T3?
Taco Comfort Solutions has been a trusted name in hydronic heating for decades. The 3450-T3 delivers the dual protection your system needs — regulated fill pressure and backflow prevention — in one reliable, easy-to-install package. Fewer fittings mean fewer potential leak points and a cleaner, more professional installation.
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