This 1/2 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage or backpressure, in accordance with national plumbing codes and water authority requirements.

Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance.

Construction & Design

• Features Investment Cast 316 stainless steel for corrosion resistance.
• All wetted valve components (test cocks, ball valve shutoffs, pipe nipples, coupling nuts, and check module) are made from Lead Free stainless steel or plastic construction.
• Bolted-on top-entry, single access cover for ease of maintenance.
• Modular check construction with nonreversible checks and captured springs for simplified servicing.
• Top-mounted, vandal-resistant EZ-TC-SS test cocks requiring no tools or fittings for easy access during testing.
• Stainless steel test cocks include dust covers to protect threads from dirt and debris.
• Replaceable check valve seats requiring no special tools.
• True line sized check modules reduce fouling from dirt and debris.
• Equipped with quarter turn ball valve shutoffs, two in-line independent positive seating check modules, captured springs, replaceable check discs and seats, and an integral strainer.

WARNING: The freeze sensor solely provides alerts about a possible freeze event and cannot prevent a freeze event from occurring. User action is required to prevent freeze conditions from causing product and/or property damage. An add-on connection kit (sold separately) is required to activate the freeze sensor for communication. Watts is not responsible for data transmission failures due to power outages, connectivity issues, or improper installation.