375XL (1/2"-2")

Reduced Pressure Principle Backflow Preventer

Best Seller
another image Youtube Thumbnail

375XL (1/2"-2")

Reduced Pressure Principle Backflow Preventer

The Zurn Wilkins 375XL Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The EZSwap™ Pressure Vessel is removed and replaced with the Flush Fitting Tool for faster flushing and testing.

  • EZSwap™ Pressure Vessel is quickly removed and replaced with Flush Tool (FLUSH) for simple line flushing to remove fouling debris
  • Line flushing with Flush Fitting Tool is simple, safe, and easily directed to a safe drain
  • Labor savings from ease of flushing with only one person saves up to 15 minutes per installation
  • Durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh conditions
  • Short lay length allows installation in tight spaces
  • Ideal for any backflow replacement application

Quick Test Backflow Fittings (Thermoplastic) for backflow preventers 1/4" - 2"

To view all options, see the Specification Sheet - BF-QTP


Bonnet Repair Kit, 1-1/4 - 2" 720A used with RK114-720A-BONNET. Kit contains Screw, Canopy, Retainer Ring, and Bonnet.


Check Repair Kit, 1-1/4" - 2" 375XL and 375 used with RK114-375. Kit contains O-Ring, Ball Valve (x2),O-Ring, Sleeve/#1 Seat (x2), Seat #1, Spring #1, Spring Retainer #1, Bolt, Seat (x2), Seal Retainer (x2),Seal Washer (x2), Poppet (x2), O-Ring, #2 Seat, Seat #2, Spring #2, Spring Retainer #2, Seal Washer, Relief Valve, Seal Retainer, Relief Valve, O-Ring, Relief Valve, O-Ring, Sensing Port (x2), Seat, Relief Valve, Spring Guide, Relief Valve, Spring, Relief Valve, Diaphragm, Plunger, Relief Valve, O-Ring, Plunger, O-Ring, Relief Valve Cover, and Spacer, #1.

Lead Free Lead Free
Retrofit or Replacement Retrofit
MasterSPEC Find us in MasterSpec®
Zurn Wilkins Zurn Wilkins