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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 260 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® 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® 0191271 Zone Assembly, 3 in

Ames By Watts® 0191271 Zone Assembly, 3 in

PN: 46623

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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® 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® 0436090 Zone Assembly, 1/2 in

Ames By Watts® 0436090 Zone Assembly, 1/2 in

PN: 690394

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Ames By Watts® 0436097 Zone Assembly, 3/4 in

Ames By Watts® 0436097 Zone Assembly, 3/4 in

PN: 493241

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Ames By Watts® 0690453 Check Valve Assembly, 8 in

Ames By Watts® 0690453 Check Valve Assembly, 8 in

PN: 21223

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Ames By Watts® 0690458 Detector Assembly, 8 in

Ames By Watts® 0690458 Detector Assembly, 8 in

PN: 1777

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Ames By Watts® 0690472 Check Valve Assembly, 2-1/2 in

Ames By Watts® 0690472 Check Valve Assembly, 2-1/2 in

PN: 69787

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Ames By Watts® 0690475 Detector Assembly, 2-1/2 in

Ames By Watts® 0690475 Detector Assembly, 2-1/2 in

PN: 31755

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Ames By Watts® 0690484 Detector Assembly, 3 in

Ames By Watts® 0690484 Detector Assembly, 3 in

PN: 1697

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Ames By Watts® 0690490 Check Valve Assembly, 4 in

Ames By Watts® 0690490 Check Valve Assembly, 4 in

PN: 21140

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Ames By Watts® 0690493 Detector Assembly, 4 in

Ames By Watts® 0690493 Detector Assembly, 4 in

PN: 1710

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Ames By Watts® 0690500 Check Valve Assembly, 6 in

Ames By Watts® 0690500 Check Valve Assembly, 6 in

PN: 21170

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Ames By Watts® 0690503 Detector Assembly, 6 in

Ames By Watts® 0690503 Detector Assembly, 6 in

PN: 1747

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Ames By Watts® 0690530 Check Valve Assembly, 10 in

Ames By Watts® 0690530 Check Valve Assembly, 10 in

PN: 69574

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Apollo™ 3820306 Vacuum Breaker, 1/2 in

Apollo™ 3820306 Vacuum Breaker, 1/2 in

PN: 79668

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Apollo™ 3850201 Vacuum Breaker, 3/8 in

Apollo™ 3850201 Vacuum Breaker, 3/8 in

PN: 320073

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Apollo™ 38Lf10301 Vacuum Breaker, 1/2 in

Apollo™ 38Lf10301 Vacuum Breaker, 1/2 in

PN: 356496

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Apollo™ 38Lf10401 Vacuum Breaker, 3/4 in

Apollo™ 38Lf10401 Vacuum Breaker, 3/4 in

PN: 211896

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Apollo™ 38Lf314As Vacuum Breaker, 3/4 in

Apollo™ 38Lf314As Vacuum Breaker, 3/4 in

PN: 353387

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Apollo™ 4A-505-02F Vacuum Breaker, 1 in

Apollo™ 4A-505-02F Vacuum Breaker, 1 in

PN: 115189

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Apollo™ 4A4A33Am Backflow Preventer, 1/2 in

Apollo™ 4A4A33Am Backflow Preventer, 1/2 in

PN: 46637

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1 - 60 of 260

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.