Flagship System – Same Footprint as Pro-Series

For new installations, our Premium Drain Master Valve System offers the same footprint, latest design, an easy setup, and our full one-year warranty. It’s the recommended choice for all new builds and retrofits.

Have an existing Pro-Series system?
We still support all existing Pro-Series customers. Replacement parts and accessories are available — including extra switches or cables for your setup.   →  View Pro-Series Support Page

Upgrade your RV’s black and gray water system with our 3” 12V DC electric waste valves. Designed for speed and reliability, the Drain Master Valve opens in under half a second at the push of a button—no more struggling with manual or cable pull valves.

• Fast Action Opening- Less than 0.5 Seconds
• Durable Build- 303 Stainless steel gears & high-torque motor
• Hassel Free Install-  Bolts directly in place of your manual valve using same bolt pattern
• Flexible Fit-  Works with 3″ pipes or 1.5″ gray water lines using reducer kit
• 1 Year Warranty-  Backed by proven performance & support

Drain Master:  The fastest, cleanest, most reliable and only truly electronic RV Waste Valve on the market.