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Videos
A collection of
useful video files
Failing RPZ Backflow Preventers
Watch what can happen when a RPZ Backflow Preventer discharges.
We have collected a range of videos from near and far as a resource of knowledge on the problems of backflow.
Backflow Preventers
These videos shows the people behind the backflow industry and what they do.
How it happens
This video illustrates how backflow can occur.
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