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Want to buy a pressure switch or need more information
3x glue sockets
An end piece can be used to seal off the end of a gutter section
high-quality pump suitable for pumping clean
Nicoll automatic PVC aerator, diameter 32 - 40 mm Want to buy a pressureTo 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 2. 1 l sec.
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