375ADA - Reduced Pressure Detector Backflow Preventer

375ADA - Reduced Pressure Detector Backflow Preventer

The Zurn Wilkins 375ADA Reduced Pressure Detector Assembly Backflow Preventer with epoxy coated DI body provides high hazard protection and is ideal for fire protection applications, with a metered by-pass to detect leaks and unauthorized water use.

Product Resources

Spec Sheets & Install

BIM / 3D Models / 2D Drawings

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Features And Benefits

  • Meters unauthorized water use in Fire lines
  • Grooved or Flanged end connection options
  • Available with tamper switch equipped butterfly valves
Retrofit or Replacement
MasterSPEC
Zurn Wilkins
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Repair Parts

Braided Hose Kit, 6" 375A RV used with RK6-RV375A-HOSE. Kit Contains Sensing Tube Fitting, Pitot Tube Assembly, and Sensing Tube.

Seat Assembly #1 Poppet used with RK6-375-SEAT1-ASSY. Kit Contains Seat Assembly #1 Poppet.

Complete Rubber Repair Kit, 6" 375ADA used with RK6-375DAC. Kit Contains O-Ring, Seat (x2), O-Ring, Poppet Bolt (x8), and Seal Ring (x2).

Bypass Assembly used with RK6-375DA-BP-LM.

#1 Check Assembly Repair Kit, 6" 475DA and 475DAV used with RK6-375CK1. Kit Contains Seat Retainer #1, O-Ring, Seat, Bolt, Poppet Retainer (x4), Handle, #1 Poppet Assembly, Washer, Poppet Bolt (x4), O-Ring, Poppet Bolt (x4), Poppet Retainer, Seal Ring, Seat Assembly, #1 Poppet.

#2 Seat Assembly Repair Kit, 6" 375ADA used with RK6-350-SEAT2-ASSY Kit Contains Seat Retainer #1 (x6).

Main & Bypass Rubber Repair Kit 6" 350DA used with RK6-350DA. Kit Contains O-Ring, Check (x2), O-Ring, Poppet Bolt (x8), Seal Ring (x2), and Bypass Rubber Repair Kit.

Relief Valve Assembly Repair Kit, 8" and 10" 375DA used with RK8-RV-ASSY. Kit contains O-O-Ring, Relief Valve, Relief Valve Assembly, Bolt, Relief Valve (x2), and Sensing Tube Fitting.

Braided Hose Kit, 8" and 10" 375A Relief Valve used with RK8-RV375A-HOSE. Kit Contains Sensing Tube Fitting, Pitot Tube Assembly, and Sensing Tube.

Cover used with RK8-LBF-VALVE-COVER.

#1 Seat Assembly Repair Kit, 8" and 10" 375A used with RK8-375-SEAT1-ASSY. Kit Contains Seat Assembly, and #1 Poppet.

Complete Rubber Repair Kit, 8" and 10" 375ADA used with RK8-375DAC. Kit Contains O-Ring, Seat (x2), O-Ring, Poppet Bolt (x12), Seal Ring (x2), Bypass Rubber Repair Kit, and Relief Valve Rubber Repair Kit.

Bypass Assembly used with RK8-375DA-BP-LM.

Main & Bypass Rubber Repair Kit 8" - 12" 350DA used with RK8-350DA. Kit Contains O-Ring, Check (x2), O-Ring, Poppet Bolt (x12), Seal Ring (x2), and Bypass Rubber Repair Kit.

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