Avoid This Drain-Waste-Vent System Mistake—Or You’ll Regret It.

The #1 DWV Plumbing Mistake (and how to prevent it). — by ‘Hammerpedia’. For those who already have experience with this, the video will certainly help you out in troubleshooting or refresh your memory. Always remember building codes, and make sure to have a plan first before you deal with DWV systems.

Many thanks to the video creator ‘Hammerpedia’.


Learn how to prevent the most common DWV Plumbing Mistake. Free Fitting Guide:hammerpedia.com/dwv2…Hammerpedia

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