Early Access Graf Deaeration Outlet Complete Set [etMo4WSG]

A deaeration outlet is required for underground tanks which require the displaced air to be released to atmosphere. 

This is particularly required for SuDS attenuation tanks which have no high level outlet to an unsealed inspection chamber.

The deaeration outlet is required to allow the trapped air to be evacuated allowing the tank to fill fully with rainwater. 

The pipe supplied is plain ended to suit the top hat fittings which are included with the attenuation tank systems. If a socket end is required please get in touch.

The length of the pipe supplied is 1m, since the vent terminates at ground level this is suitable for tanks with upto ~1m cover.

The 100mm outlet is suitable for sites upto 7,500m2.  For larger sites select the 150mm option.