Zurn RK34-375R Lead-Free Rubber Repair Kit

The Zurn Wilkins RK34-375R is a genuine rubber repair kit for 1/2" to 3/4" Model 375 / 375ST. This model is certified lead-free for potable-water installations.

The Rubber Repair Kit is compatible with the 1/2” and 3/4” Model 375 and 375XL Reduced Pressure Principle Backflow Preventer. Repair Kit components include one Sleeve O-Ring, one #1 Check Seat O-Ring, two Check Seal Rings, one #2 Check Seat O-Ring, one Housing Inlet O-Ring, one Housing Outlet O-Ring, one Relief Valve Cover O-Ring, one Relief Valve Seat O-Ring, one Relief Valve Seal Ring, one Diaphragm, and one Relief Valve Stem O-Ring. The accessories within the kit allow you to speed up repairs, while lowering maintenance costs and extending the product life. The Wilkins portfolio offers long-lasting protection from backsiphonage and backpressure of contaminated water into the potable water supply.

Features

• Accessories allow for speedy repairs
• Repair Kits provide cost savings by avoiding full Backflow Preventer replacement
• Complies with ASSE® Listed 1013 and C-UL® Classified
• Quality materials extend replacement life
• 1-year limited warranty

Common Questions

Will this kit fit my assembly?

The RK34-375R fits 1/2" and 3/4" sizes of Model 375 / 375ST. Kits are size- and series-specific, so match the model stamped on your valve body or cover before ordering.

What's included in this kit?

This is a rubber repair kit -- it carries the factory parts for that subassembly only, not a whole-assembly rebuild.

Are these genuine Zurn Wilkins parts?

Yes. This is the factory RK34-375R kit built with genuine Zurn Wilkins OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.

Specifications

• Type: 1/2"-3/4" Model 375/375XL/375ST Rubber Repair Kit
• MPN: RK34-375R
• Lead-Free: Yes
• Fits Series: 375;375ST
• Fits Size: 1/2";3/4"
• Kit Type: Rubber Repair Kit
• Kit Contents: Kit consists of: one Sleeve O-Ring, one #1 Check Seat O-Ring, two Check Seal Rings, one #2 Check Seat O-Ring, one Housing Inlet O-Ring, one Housing Outlet O-Ring, one Relief Valve Cover O-Ring, one Relief Valve Seat O-Ring, one Relief Valve Seal Ring, one Diaphragm, and one Relief Valve Stem O-Ring.