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The Perfect Watts 8 1/2 In X 5 1/4 In Boiler Feed Valve W/backflow Preventer, Fnpt X Sweat Union - B911s-m3 Deal Alert: 55% Off [K0o79DIr]

$40.99 $131.99 -69%

Watts 8 1/2 in x 5 1/4 in Boiler Feed Valve with Backflow PreventerThe WATTS boiler feed valve with backflow preventer is a cutting-edge solution for residential and commercial hydronic heating systems. This pre-assembled unit combines the functional

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The Perfect Watts 8 1/2 In X 5 1/4 In Boiler Feed Valve W/backflow Preventer, Fnpt X Sweat Union - B911s-m3 Deal Alert: 55% Off [K0o79DIr]

Watts 8 1/2 in x 5 1/4 in Boiler Feed Valve with Backflow Preventer

The WATTS boiler feed valve with backflow preventer is a cutting-edge solution for residential and commercial hydronic heating systems. This pre-assembled unit combines the functionality of a backflow preventer and a feed water pressure regulator, ensuring optimal performance and reliability. With its robust construction and innovative design, this valve is built to withstand the demands of constant use in various heating applications.
  • Pre-assembled unit for quick and easy installation.
  • Backflow prevention to protect your system from contamination.

The WATTS boiler feed valve with backflow preventer is engineered with precision and quality in mind. Measuring 8 1/2 inches in diameter and 5 1/4 inches in length, this valve is designed to fit seamlessly into your existing heating system. Its FNPT (Fahrenheit National Pipe Thread) and sweat union connection ensures a secure and leak-proof installation, while the built-in backflow preventer adds an extra layer of protection against system damage.

  • FNPT x Sweat Union connection for versatile installation options.
  • Boiler make-up water provision to maintain optimal water levels.

This versatile product is an essential component for any hydronic heating system, offering numerous practical benefits in both residential and commercial settings. Its ability to prevent backflow and regulate feed water pressure ensures a consistent and safe operation of your boiler. Whether you're a homeowner looking to upgrade your heating system or a commercial property manager responsible for maintaining a large-scale heating network, the WATTS boiler feed valve with backflow preventer is the ideal choice.

  • Residential and commercial applications for wide-ranging usage.
  • Enhanced system performance and safety through backflow prevention.

What Our Customers Say

February 5, 2026

Absolutely no complaints!

This is a handy and impressive tool.

- Fanny H..

February 5, 2026

Absolutely no complaints!

This is a handy and useful gadget.

- Nisien P..

February 5, 2026

Absolutely no complaints!

A great gadget that is very clever.

- Meirion F..

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