Watts Backflow Preventers

Watts Backflow Preventers & Backflow Prevention Assemblies

Shop Watts backflow preventers for commercial plumbing, irrigation, mechanical and cross-connection-control applications. MasterBuilder Mercantile carries a wide selection of Watts backflow prevention products, including reduced pressure principle assemblies, double check valve assemblies, dual check valves, vacuum breakers, air gaps and replacement components.

Watts backflow preventers are available in multiple sizes, connection types and configurations for different plumbing and water-control applications. Search by Watts model or part number to find the appropriate assembly, or browse by backflow preventer type below.

Watts RPZ Backflow Preventers

Watts reduced pressure principle assemblies, commonly referred to as RP or RPZ backflow preventers, provide protection against both backsiphonage and backpressure in applications where reduced pressure protection is required.

Browse our complete RPZ backflow preventers and reduced pressure assemblies to compare available Watts models with other sizes, configurations and manufacturers.

Watts Double Check Valve Assemblies

Watts double check valve assemblies, or DCVAs, use two independently acting check valves to provide backflow protection in applications where double check protection is permitted by the applicable plumbing code and authority having jurisdiction.

Browse our DCVA double check valve assembly backflow preventers to compare available Watts double check assemblies by model and size.

Watts Backflow Preventer Parts & Repair Kits

MasterBuilder Mercantile also carries replacement components and repair kits for servicing many Watts backflow prevention assemblies. Available parts may include check valve kits, relief valve kits, rubber parts, seals, O-rings, springs, discs and other model-specific service components.

Browse our backflow preventer parts and repair kits for available Watts replacement components.

Choosing a Watts Backflow Preventer

When selecting a Watts backflow preventer, verify the required type of protection, model, connection size, flow requirements, working pressure, temperature, installation orientation and applicable approvals. RPZ, double check and other backflow prevention devices are not interchangeable for every application.

Always review the manufacturer's specifications and applicable plumbing and cross-connection-control requirements before selecting or installing a backflow prevention assembly.

Shop Watts Backflow Preventers Online

MasterBuilder Mercantile supplies Watts backflow preventers and replacement parts to customers throughout Canada and the United States. Browse the collection above to find Watts backflow prevention products by model, size and assembly type, or explore our complete backflow preventer collection for additional manufacturers and configurations.