Description
Watts 0864945 — 1.5″ 25AUB-RK Backflow Preventer Repair Kit
Keep your Watts 25AUB series backflow preventer operating at peak efficiency with the Watts 0864945 Repair Kit. Engineered specifically for 1.5″ 25AUB reduced pressure zone (RPZ) backflow preventer assemblies, this OEM-quality kit provides all the essential internal components needed to rebuild and restore your valve — eliminating costly full-unit replacements and minimizing system downtime.
Why Choose the Watts 25AUB-RK Repair Kit?
Maintaining a backflow preventer is critical to protecting potable water supplies from contamination. Rather than replacing the entire assembly, this repair kit allows HVAC and plumbing professionals to quickly rebuild the 25AUB valve in the field, restoring proper check valve and relief valve function and ensuring continued code compliance.
Key Features
- OEM Watts repair kit designed for 1.5″ 25AUB series backflow preventers
- Includes internal components for a complete valve rebuild
- Restores proper reduced pressure zone (RPZ) operation
- Helps maintain code compliance and system integrity
- Cost-effective alternative to full assembly replacement
- Designed for fast, efficient field installation by qualified technicians
Applications
- Hydronic heating and cooling systems
- Commercial and industrial plumbing systems
- Potable water protection and backflow prevention maintenance
- Scheduled preventive maintenance programs
Product Details
- Brand: Watts
- SKU: 0864945
- Model: 25AUB-RK
- Valve Size: 1.5″
- Type: Backflow Preventer Repair Kit







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