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What is a Reduced Pressure Zone Devise (RPZD)?

April 26, 2017devise pressure reduced zone

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What is a Reduced Pressure Zone Devise (RPZD)?

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This devise is a Sydney water requirement for all commercial jobs. It is a set of two independent valves. These valves are used to prevent any form of backflow flowing into our water supplies that may cause contamination and possibly harm humans. The valves have to be tested on a regular basis to make sure they are in proper working order.