Drain Master Valve Systems
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Advanced, Safe, and Sanitary Solutions for your RV Holding Tank Waste Transfer Problems.
Drain Master Valves are fast-motion, high-torque, and easy-to-use 3" V-DC sealing valves that attach to your gray water and black water holding tanks. Then, with the simple push of a button, these valves quickly open and close, emptying your waste.
Choose either the complete Standard Kit, or the Premium Kit with LED heavy-duty controls for the ultimate in convenience and sanitary safety.
What's the difference? Click on the video to watch.
Tech Support - Toll Free 877-787-8833 - M-F 7:30 AM - 4:30 PM Pacific
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See Drain Master in Action
The well-known and highly respected RV Doctor will show you how easy it is to empty your holding tanks without all the fuss and "muss".
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Click on video to see the simplest and safest way to empty holding tanks.