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Approvals - Backflow Preventers & Accessories

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Watts Backflow Preventer Retrofit-Spools

Replaces your old or ineffective backflow preventers with a fast and flexible approach.
Size: Various sizes/models

M200, M200N

Stainless Steel Double Check Valve Assemblies with Tri-Link Check Valves for High Flow Fire Systems
Size: 2 1/2 to 10 in. (65 to 250mm)

M200Na

Stainless Steel Double Check Valve Assemblies with Bi-Link Check Valves for High Flow Fire Systems
Size: 2 1/2 to 4 in. (65 to 100mm)

C200, C200N

Stainless Steel Double Check Valve Assemblies with Tri-Link Check Valves
Size: 2 1/2 to 10 in. (65 to 250mm)

2000SS

Stainless Steel Double Check Valve Assemblies
Size: 2 1/2 to 12 in. (65 to 300mm)

2000B

Bronze Double Check Valve Assemblies
Size: 1/2 to 2 in. (15 to 50mm)

M300, M300N

Stainless Steel Double Check Detector Assemblies with Tri-Link Check Valves for High Flow Fire Systems
Size: 2 1/2 to 10 in. (65 to 250mm)

M300Na

Stainless Steel Double Check Detector Assemblies with Bi-Link Check Valves for High Flow Fire Systems
Size: 2 1/2 to 4 in. (65 to 100mm)

C300, C300N

Stainless Steel Double Check Detector Assemblies with Tri-Link Check Valves
Size: 2 1/2 to 10 in. (65 to 250mm)

3000SS

Stainless Steel Double Check Detector Assemblies
Size: 2 1/2 to 12 in. (65 to 300mm)

M400, M400N, M400Z

Stainless Steel Reduced Pressure Zone Assemblies
Size: 2 1/2 to 10 in. (65 to 250mm)

C400, C400N, C400Z

Stainless Steel Reduced Pressure Zone Assemblies
Size: 2 1/2 to 10 in. (65 to 250mm)

4000SS

Stainless Steel Reduced Pressure Zone Assemblies
Size: 2 1/2 to 10 in. (65 to 250mm)

4000B

Bronze Reduced Pressure Zone Assemblies
Size: 1/2 to 2 in. (15 to 50mm)

M500, M500N, M500Z

Stainless Steel Reduced Pressure Detector Assemblies
Size: 2 1/2 to 10 in. (65 to 250mm)

C500, C500N, C500Z

Stainless Steel Reduced Pressure Detector Assemblies
Size: 2 1/2 to 10 in. (65 to 250mm)

5000SS

Stainless Steel Reduced Pressure Detector Assemblies
Size: 2 1/2 to 6 in. (65 to 150mm)