Nicoll automatic PVC aerator, diameter 50 - 63 mm This 87° Tee has 2x

This 87° Tee has 2x glue socket / 1x glue spigot and is used for rainwater drainage systems

Are you not yet sure what the optimal coupling is for your situation

Not quite sure which duct or accessory is right for your situation

The couplings up to 32 mm are equipped with a colored ring and can be pressed using a hand tool

Nicoll automatic PVC aerator, diameter 50 - 63 mm This 87° Tee has 2xTo ensure sufficient ventilation, eliminating the need for multiple ventilation caps on the roof. Under normal conditions, the membrane seals the pipe. Effect on: Air pressure: in this case the air pressure on the membrane is low, so no contaminated air can escape. Vacuum: the vacuum created in the pipe pushes the membrane upwards, so that it can let in the necessary air. Important: install vertically. Capacity 4. 2 l sec.