Barker Mfg

Barker Auto Drain Valterra Bristol Models

  • Sale
  • $ 169.99

Just push a switch on the Barker Valterra-Bristol Model Auto Drain to dump your RV's black and grey water tank. Eliminate hassles with hard to reach and difficult to operate valve locations. Easy, manual operation in case of battery failure or valve problems. No additional plumbing fittings to install - none to remove. Constructed of corrosion-resistant steel, aluminum, and plastic. Holding tanks do not have to be dumped to install. Also fits Valterra and Bristol slide valves. Each Auto-Drain comes complete with rocker arm switch, switch box, and complete installation and operating instructions. Voltage is 12 volts DC, amperage is 150 cycle time is 3 seconds.

  • Easy, manual operation in case of battery failure
  • No additional plumbing fittings to install
  • Constructed of corrosion-resistant steel, aluminum and plastic
  • Holding tanks do not have to be dumped to install
  • Each Auto-Drain comes with rocker arm switch, switch box, installation and operating instructions
  • Valterra-Bristol 1 1/2 in or 3in model
  • Color: Gray
  • Material: Steel, aluminum and plastic
  • 1 1/2 inch valve LxWxH: 10.90" X 6.40" X 5.80" or 3 inch valve 10.10 X 6.50 X 5.70
  • Shipping LxWxH: 1 1/2 inch 11.10 X 6.90 X 6.30 or 3 inch valve 10.20 X 6.50 X 5.75
  • Weight: 2.15


Just push a switch on the Barker Valterra-Bristol Model Auto Drain to dump your RV's black and grey water tank. Eliminate hassles with hard to reach and difficult to operate valve locations. Easy, manual operation in case of battery failure or valve problems. No additional plumbing fittings to install - none to remove. Constructed of corrosion-resistant steel, aluminum, and plastic. Holding tanks do not have to be dumped to install. Also fits Valterra and Bristol slide valves. Each Auto-Drain comes complete with rocker arm switch, switch box, and complete installation and operating instructions. Voltage is 12 volts DC, amperage is 150 cycle time is 3 seconds.

  • Easy, manual operation in case of battery failure
  • No additional plumbing fittings to install
  • Constructed of corrosion-resistant steel, aluminum and plastic
  • Holding tanks do not have to be dumped to install
  • Each Auto-Drain comes with rocker arm switch, switch box, installation and operating instructions
  • Valterra-Bristol 1 1/2 in or 3in model
  • Color: Gray
  • Material: Steel, aluminum and plastic
  • 1 1/2 inch valve LxWxH: 10.90" X 6.40" X 5.80" or 3 inch valve 10.10 X 6.50 X 5.70
  • Shipping LxWxH: 1 1/2 inch 11.10 X 6.90 X 6.30 or 3 inch valve 10.20 X 6.50 X 5.75
  • Weight: 2.15