Monday, December 21, 2015

6"-8" Deringer 20 Double Check Backflow Preventer Maintenance Video

We are excited to announce that the next series of our maintenance videos are now available. This series covers the isolation, disassembly, maintenance, troubleshooting and reassembly of the 6" - 8" Deringer 20 (DC). These videos can be viewed on the Backflow Direct YouTube Channel or on our website on the Downloads Page. Subscribe to the Backflow Direct Youtube Channel to view new videos first.

This is an instructional video on how to maintenance the 6" - 8" Deringer 20 Double Check Backflow Preventer.

The Deringer 20 Double Check prevents non-health hazard pollutants from entering a potable water supply system when backpressure and/or backsiphonage conditions occur.

For more information please visit us at backflowdirect.com
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1 comment:

  1. Backflow Testing in Surprise, ArizonaAugust 8, 2023 at 1:35 PM

    Thanks for sharing. Definitely many improvements made compared to older preventers.

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