Keep the Operating Nut Centered in the Valve Box
How the Boxlok Works
The Boxlok® snaps around the stem of the valve, above the bonnet/seal plate and below the operating nut, preventing the valve box from becoming misaligned during backfill or over time with erosion.
- Snap-on installation
- No operating nut removal
- Prevents valve box shift
- Cast iron & PVC compatible
- HDPE, non-metal construction
- Non-load-bearing design
- Proven in hundreds of thousands of installs
- Multiple sizes to fit common valve manufacturer
- Does not interfere with valve operation
- Includes clear installation instructions
The Boxlok is trusted by municipalities, contractors, inspectors, and engineers as a simple solution to a common and costly problem.