Immediate protection
The product is installed in the existing drainage pipe.
The solution is available for NPS 4".
The solution protects against:
- Backflow
- Flooding
Some advantages of the solution:
- Works immediately and automatically
- Is always open for flow under normal operating conditions
- Has full drainage ventilation
- Allows easy access in the event of inspections and maintenance
- Is made of corrosion-free material, making for a long service life
Wapro's solutions require minimal maintenance, have a low life-cycle cost and are simple to install. The delivery time for all products is short, and stock items are sent immediately.

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Contact Charlie Sullivan for more informationMore from this product range
WaBack® Non-return chamber
WaBack Non-return chamber protects against backflows, overload and flooding in drains and as protection against backflow of stormwater and wastewater. It is advantageously used in heavily polluted water.
WaBack® Access
WaBack Access has all the benefits of the WaBack Non-return valve. The difference is that WaBack Access comes in a chamber where the WaBack Non-return valve is detachable from the ground.