For below ground installation in addition to an H-TEC HaVent automatic air valve set model 992. This flood-proof device is retrofittable to existing set installations under pressure.
Below ground installation with pipe extension either through:
1. PE connector 1 ½” / d50
2. Welding sockets
The height of the exhaust air pipe is variable.
Waterproof up to 16 ft. / 5 m water column.
• Easy maintenance: open the waterproof lit for access to the air release valve.
• Less public space consumption
• Flexible positioning of pipe extension
• Accident-proof installation
Scope of delivery: PE chamber with gasket and screw cap
Outlet pipe: PE d50 (1 ½”), 0.7” / 18 mm long