Replacement Valves

Drain Master Valves are fast-motion, high-torque, and easy-to-use 3″ 12 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 tanks.

• 303 Stainless Steel Gears
• Opens in less than ½ a second
• Easily replaces manual or cable pull valves
• Works on 3″ or on 1.5″ pipe (gray water) using reducer kit