The Watts LF7R is a lead-free dual check valve designed to prevent the reverse flow of non-hazardous liquids into potable water systems. Ideal for residential applications, it features a compact design with replaceable check modules and a lead-free brass body. The valve can be installed vertically or horizontally and is suitable for continuous pressure applications. It complies with ANSI/ASSE Standard 1024 and meets lead-free requirements for potable water systems.

Technical Specifications:

• Size Range: ½" – 1"

• Materials:

  • Body: Lead-Free Brass

  • Check Modules: Engineered Composite

  • Seals: EPDM

  • Springs: Stainless Steel

• Pressure Rating: 175 psi (12.07 bar)

• Temperature Range: 33°F – 180°F (0.5°C – 82°C)

• End Connections: Various configurations available

• Features: Replaceable check modules, compact design, lead-free construction