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  • Home/
  • Backflow Preventers

Backflow Preventers

Backflow preventers protect drinking water from contamination by ensuring one-way flow.

Nominal Size

Brand

End Style

Length

Type

Showing 16 of 322 Results

Ames 0062492 Double Check Valve Assembly, 1 in

Ames 0062492 Double Check Valve Assembly, 1 in

PN: 849724

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Ames By Watts® 0062489 Check Valve Assembly, 3/4 in

Ames By Watts® 0062489 Check Valve Assembly, 3/4 in

PN: 391299

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Ames By Watts® 0062495 Check Valve Assembly, 2 in

Ames By Watts® 0062495 Check Valve Assembly, 2 in

PN: 175315

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Ames By Watts® 0062542 Check Valve Assembly, 1-1/2 in

Ames By Watts® 0062542 Check Valve Assembly, 1-1/2 in

PN: 165828

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Ames By Watts® 0124567 Detector Assembly, 8 in

Ames By Watts® 0124567 Detector Assembly, 8 in

PN: 513254

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Ames By Watts® 0124585 Detector Assembly, 4 in

Ames By Watts® 0124585 Detector Assembly, 4 in

PN: 438830

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Ames By Watts® 0124586 Detector Assembly, 6 in

Ames By Watts® 0124586 Detector Assembly, 6 in

PN: 477421

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Ames By Watts® 0124596 Detector Assembly, 8 in

Ames By Watts® 0124596 Detector Assembly, 8 in

PN: 477423

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Ames By Watts® 0124597 Detector Assembly, 8 in

Ames By Watts® 0124597 Detector Assembly, 8 in

PN: 706148

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Ames By Watts® 0124676 Detector Assembly, 2-1/2 in

Ames By Watts® 0124676 Detector Assembly, 2-1/2 in

PN: 656113

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Ames By Watts® 0124678 Detector Assembly, 4 in

Ames By Watts® 0124678 Detector Assembly, 4 in

PN: 663253

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Ames By Watts® 0191026 Check Valve Assembly, 4 in

Ames By Watts® 0191026 Check Valve Assembly, 4 in

PN: 66952

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Ames By Watts® 0191062 Detector Assembly, 4 in

Ames By Watts® 0191062 Detector Assembly, 4 in

PN: 44371

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Ames By Watts® 0191063 Detector Assembly, 6 in

Ames By Watts® 0191063 Detector Assembly, 6 in

PN: 44474

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Ames By Watts® 0191199 3 in Check Valve Assembly

Ames By Watts® 0191199 3 in Check Valve Assembly

PN: 15196

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Ames By Watts® 0191200 4 in Check Valve Assembly

Ames By Watts® 0191200 4 in Check Valve Assembly

PN: 15219

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Ames By Watts® 0191201 6 in Check Valve Assembly

Ames By Watts® 0191201 6 in Check Valve Assembly

PN: 15256

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Ames By Watts® 0191202 8 in Check Valve Assembly

Ames By Watts® 0191202 8 in Check Valve Assembly

PN: 15272

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Ames By Watts® 0191203 Check Valve Assembly, 10 in

Ames By Watts® 0191203 Check Valve Assembly, 10 in

PN: 394069

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Ames By Watts® 0191204 Check Valve Assembly, 2-1/2 in

Ames By Watts® 0191204 Check Valve Assembly, 2-1/2 in

PN: 48269

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Ames By Watts® 0191222 Check Valve Assembly, 2-1/2 in

Ames By Watts® 0191222 Check Valve Assembly, 2-1/2 in

PN: 39117

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Ames By Watts® 0191223 Check Valve Assembly, 3 in

Ames By Watts® 0191223 Check Valve Assembly, 3 in

PN: 75037

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Ames By Watts® 0191224 Check Valve Assembly, 4 in

Ames By Watts® 0191224 Check Valve Assembly, 4 in

PN: 75057

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Ames By Watts® 0191225 Check Valve Assembly, 6 in

Ames By Watts® 0191225 Check Valve Assembly, 6 in

PN: 75075

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Ames By Watts® 0191227 Check Valve Assembly, 3 in

Ames By Watts® 0191227 Check Valve Assembly, 3 in

PN: 704399

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Ames By Watts® 0191236 Detector Assembly, 2-1/2 in

Ames By Watts® 0191236 Detector Assembly, 2-1/2 in

PN: 56732

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Ames By Watts® 0191237 Detector Assembly, 3 in

Ames By Watts® 0191237 Detector Assembly, 3 in

PN: 76286

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Ames By Watts® 0191238 Detector Assembly, 4 in

Ames By Watts® 0191238 Detector Assembly, 4 in

PN: 76317

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Ames By Watts® 0191239 Detector Assembly, 6 in

Ames By Watts® 0191239 Detector Assembly, 6 in

PN: 76349

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Ames By Watts® 0191240 Detector Assembly, 8 in

Ames By Watts® 0191240 Detector Assembly, 8 in

PN: 76379

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Ames By Watts® 0191241 Detector Assembly, 10 in

Ames By Watts® 0191241 Detector Assembly, 10 in

PN: 526834

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Ames By Watts® 0191250 Detector Assembly, 4 in

Ames By Watts® 0191250 Detector Assembly, 4 in

PN: 43832

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Ames By Watts® 0191258 Detector Assembly, 2-1/2 in

Ames By Watts® 0191258 Detector Assembly, 2-1/2 in

PN: 36941

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Ames By Watts® 0191259 Detector Assembly, 3 in

Ames By Watts® 0191259 Detector Assembly, 3 in

PN: 52400

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Ames By Watts® 0191260 Detector Assembly, 4 in

Ames By Watts® 0191260 Detector Assembly, 4 in

PN: 52432

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Ames By Watts® 0191261 Detector Assembly, 6 in

Ames By Watts® 0191261 Detector Assembly, 6 in

PN: 52463

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Ames By Watts® 0191270 Zone Assembly, 2-1/2 in

Ames By Watts® 0191270 Zone Assembly, 2-1/2 in

PN: 59976

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Ames By Watts® 0191271 Zone Assembly, 3 in

Ames By Watts® 0191271 Zone Assembly, 3 in

PN: 46623

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Ames By Watts® 0191272 Zone Assembly, 4 in

Ames By Watts® 0191272 Zone Assembly, 4 in

PN: 46649

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Ames By Watts® 0191273 Zone Assembly, 6 in

Ames By Watts® 0191273 Zone Assembly, 6 in

PN: 46683

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Ames By Watts® 0191274 Zone Assembly, 8 in

Ames By Watts® 0191274 Zone Assembly, 8 in

PN: 46733

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Ames By Watts® 0191275 Zone Assembly, 10 in

Ames By Watts® 0191275 Zone Assembly, 10 in

PN: 503606

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Ames By Watts® 0191312 Detector Assembly, 2-1/2 in

Ames By Watts® 0191312 Detector Assembly, 2-1/2 in

PN: 56876

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Ames By Watts® 0191313 Detector Assembly, 3 in

Ames By Watts® 0191313 Detector Assembly, 3 in

PN: 20668

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Ames By Watts® 0191314 Detector Assembly, 4 in

Ames By Watts® 0191314 Detector Assembly, 4 in

PN: 20696

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Ames By Watts® 0191316 Detector Assembly, 8 in

Ames By Watts® 0191316 Detector Assembly, 8 in

PN: 20815

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Ames By Watts® 0191317 Detector Assembly, 10 in

Ames By Watts® 0191317 Detector Assembly, 10 in

PN: 56703

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Ames By Watts® 0191328 Detector Assembly, 8 in

Ames By Watts® 0191328 Detector Assembly, 8 in

PN: 563797

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Ames By Watts® 0191339 Detector Assembly, 6 in

Ames By Watts® 0191339 Detector Assembly, 6 in

PN: 548690

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Ames By Watts® 0191415 Zone Assembly, 4 in

Ames By Watts® 0191415 Zone Assembly, 4 in

PN: 25086

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Ames By Watts® 0191416 N-Pattern 2-1/2 in

Ames By Watts® 0191416 N-Pattern 2-1/2 in

PN: 7460

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Ames By Watts® 0191419 Check Valve Assembly, 8 in

Ames By Watts® 0191419 Check Valve Assembly, 8 in

PN: 75147

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Ames By Watts® 0191420 Check Valve Assembly, 8 in

Ames By Watts® 0191420 Check Valve Assembly, 8 in

PN: 704401

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Ames By Watts® 0191422 Detector Assembly, 8 in

Ames By Watts® 0191422 Detector Assembly, 8 in

PN: 52505

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Ames By Watts® 0191423 Detector Assembly, 8 in

Ames By Watts® 0191423 Detector Assembly, 8 in

PN: 704404

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Ames By Watts® 0191466 Detector Assembly, 4 in

Ames By Watts® 0191466 Detector Assembly, 4 in

PN: 23670

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Ames By Watts® 0191472 Detector Assembly, 2-1/2 in

Ames By Watts® 0191472 Detector Assembly, 2-1/2 in

PN: 335941

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Ames By Watts® 0191473 Detector Assembly, 3 in

Ames By Watts® 0191473 Detector Assembly, 3 in

PN: 453650

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Ames By Watts® 0191474 Detector Assembly, 4 in

Ames By Watts® 0191474 Detector Assembly, 4 in

PN: 464802

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Ames By Watts® 0191475 Detector Assembly, 6 in

Ames By Watts® 0191475 Detector Assembly, 6 in

PN: 472839

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1 - 60 of 322

Backflow preventers are essential devices designed to protect potable water supplies from contamination due to backflow. They ensure that water flows in one direction, preventing harmful substances from entering the drinking water system. Widely used in residential, commercial, and industrial applications, these devices are crucial for maintaining public health and compliance with plumbing codes. Proper installation and maintenance are vital for optimal performance.