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Blog: Filling and Backflow Prevention

What is this gray knob on the bottom of the AutoFill for?

October 19, 2015

The gray knob on the bottom of the 553 Series AutoFill (or...

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Filling and Backflow Prevention

What causes nuisance dripping of backflow preventers and how is it correctable?

July 25, 2014

We get quite a few calls about and returns of perfectly good...

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Filling and Backflow Prevention
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