Tag Archives: backflow

Portland Bakflow Fire Sprinkler System Testing

Portland Backflow Fire Sprinkler Testing

Jan 25th, 2017 - 5:29am

First of all, what is backflow? A cross connection is made in plumbing where the drinking water supply is connected to, or can be connected to, a non-drinking water source. In Portland, backflow fire sprinkler testing is required so that public drinking water is not contaminated by any “backflow” of other water. The cross connection […]

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