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What happens if the backflow preventer is installed backwards?

What happens if the backflow preventer is installed backwards?

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Building Supplies , Plumbing Tools
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Manage My Life
The safety benefit is lost and the boiler can't get any makeup water. Therefore this isn't a common problem.

When looking at a backflow preventer, make sure that the arrow on the valve points toward the boiler.
by Manage My Life
April 26th, 2007
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