Complete Internals Repair Kit For RK34 375 Series Backflow Preventer Half Inch To Three Quarter Inch Includes 375 XL And 375 ST Internal Parts For A Fast Cost Saving Fix

Single Complete Internals Repair Kit for RK34 375 Backflow
✔️ Includes seals, O-rings, springs, and diaphragms for quick repair

The Complete Internals Repair Kit is compatible with the 1/2” and 3/4” Model 375 and 375XL Reduced Pressure Principle Backflow Preventers. It complies with ASSE Listed 1013 and C-UL Classified; Quality materials extend replacement life and support cost savings by avoiding full backflow preventer replacement.

✅ Sleeve O-Ring
✅ #1 Check Seat O-Ring
✅ #1 Check Seat
✅ Poppet Screws x2
✅ Check Seal Retainers x2
✅ Check Seal Rings x2
✅ Poppets x2
✅ #1 Check Spring
✅ #1 Check Spring Retainer
✅ #2 Check Seat O-Ring
✅ #2 Check Seat
✅ #2 Check Spring
✅ #2 Check Spring Retainer
✅ Housing Inlet O-Ring
✅ Housing Outlet O-Ring
✅ Relief Valve Cover O-Ring
✅ Relief Valve Seat O-Ring
✅ Relief Valve Seat
✅ Relief Valve Spring
✅ Relief Valve Seal Retaining Screw
✅ Relief Valve Seal Ring
✅ Relief Valve Lower Plunger
✅ Diaphragm
✅ Relief Valve Upper Plunger
✅ Relief Valve Stem O-Ring

💡 What is a backflow repair kit used for in water protection systems?
This handy kit lets you replace the internal parts without replacing the entire unit, saving downtime and money.
- Cost-saving maintenance
- Extends service life with included components
- Fits 1/2" and 3/4" RK34 375 models