A tool every Gold Prospector or Miner should have in their tool box. The first creator of the Bilge Pump Speed Controller. Thousands of these rheostats have been sold worldwide.
Want to precisely control your water flow? Want to move to a bigger pump but don't need all of the GPH? Then this is the solution for all sluice boxes, Gold Cubes, or highbankers is using a 12 volt bilge pump. Lowers the amp's to the pump to control the water flow and not having to use a water ball valve to control the water flow. Get precise water flow for all different types of paydirt you run thru you gold equipment.
Note: Unit is not water resistant and must keep dry. If needed the unit fits inside a sandwich bag to keep dry.