Description
Watts 0887729 Repair Kit for 800M4 Backflow Preventers — 1-1/4″ to 2″
Keep your Watts 800M4 series backflow preventer performing at its best with the Watts 0887729 Repair Kit. Designed specifically for 1-1/4″ through 2″ 800M4 assemblies, this genuine OEM kit provides all the essential internal components needed to restore proper function, maintain system integrity, and extend the service life of your backflow preventer — without the cost of a full replacement.
Key Features
- Genuine Watts OEM replacement repair kit
- Compatible with Watts 800M4 series backflow preventers
- Covers pipe sizes from 1-1/4″ through 2″
- Restores check valve seating and sealing performance
- Helps maintain code compliance and system protection
- Simplifies field service and reduces downtime
- Engineered to Watts’ exacting quality standards
Why Choose a Genuine Watts Repair Kit?
Using genuine OEM repair components ensures proper fit, reliable sealing, and continued compliance with local plumbing and backflow prevention codes. The Watts 0887729 kit is the trusted choice for HVAC and plumbing professionals who need a dependable, long-lasting repair solution for 800M4 assemblies in commercial and residential hydronic or potable water systems.
Application
- Hydronic heating and cooling systems
- Potable water supply protection
- Commercial and residential plumbing installations
- Preventive maintenance programs









