Watts LF7R Series 1/2" x 1/2" Lead-Free Brass Residential Dual Check Valve Backflow Preventer, Union Female NPT Inlet x Female NPT Outlet, Compact Design, Vertical or Horizontal Install

The Watts Lead-Free Brass Residential Dual Check Valve Backflow Preventer is designed to prevent the backflow of contaminated water into the potable water supply, offering reliable protection against back-siphonage and backpressure at service entrances or individual outlets and providing peace of mind that your water is safe from impurities.Its construction from durable, corrosion-resistant lead-free brass not only ensures compliance with stringent industry standards - making it safe for use in residential water systems - but also provides a reliable, maintenance-free service life. The plastic replaceable check valves and stainless steel springs can be accessed and serviced without the need for specialized tools, ensuring that the preventer remains in optimal working condition with minimal effort. Furthermore, this 1/2" x 1/2" preventer is able to handle a broad pressure range, with a minimum working pressure of 10 psi (69 kPa) and a maximum of 175 psi (12 bar).Equipped with union female NPT inlet and outlet connections, the installation of this backflow preventer is straightforward and secure. These connections provide a tight, leak-free seal, which is crucial for preventing backflow and maintaining system integrity. The two plastic replaceable check valves also work in tandem to block any reverse flow of water, ensuring that only clean, potable water reaches your home.The compact design of this preventer makes it adaptable to a variety of setups. Meeting the ANSI/ASSE Standard 1024, this versatile backflow preventer is approved for residential water system containment and continuous pressure applications and can be installed in either vertical or horizontal orientations.

• BACKFLOW PREVENTION: The Watts Lead-Free Brass Residential Dual Check Valve Backflow Preventer is ideal for non-health hazard residential water system containment. It is designed to prevent the backflow of polluted water from entering into the potable water supply due to back-siphonage and/or backpressure at the service entrance or at individual outlets.
• COMPREHENSIVE FEATURES: This 1/2" x 1/2" preventer is equipped with everything needed to efficiently prevent the backflow of water: union female NPT inlet by female NPT outlet connections, two plastic replaceable check valves, and stainless steel springs.
• DURABLE DESIGN: This preventer is constructed with a highly durable lead-free brass body, ensuring long-lasting performance and compliance with industry standards. Its compact construction ensures it can be easily handled during installation. Its minimum working pressure is 10 psi (69 kPa) with a maximum working pressure of 175 psi (12 bar).
• VERSATILE APPLICATIONS: Meeting ANSI/ASSE Standard 1024, this preventer is used for residential water system containment or for continuous pressure applications and is to be installed immediately downstream of the residential water meter. It can be installed vertically or horizontally.
• EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.