Adjustable solenoid-style timer drain. Robust design in an economical package. Removes condensate, (oil and water) from compressed air systems.

  • Dual-adjustable solid-state timer Easy adjustment of both; drain frequency and length of drain cycle
    Pilot lights for Power (red) and Valve Open (green) Indicate drain status at a glance
    NEMA 4X enclosure Rugged and non-corrosive
    Mounting feet or tabs for wall or panel mount Flexible positioning
    Available in 1/4" and 1/2" sizes Can be used on wide range of flows
    Available in different pressure ratings up to 1500 PSI Can be used on wide range of applications
    Versatile for many applications Can be used for filters, air receivers, air dryers, separators and aftercoolers
  • The solid state timer initiates a drain cycle by energizing the valve coil that opens the valve and allows the condensate to drain. When the timer times-out, the coil is de-energized and the valve is spring-returned to the closed position.

  • Inlet/Outlet 1/4" NPT / 1/2" NPT
    Drain Cycle Frequency 5 secs. – 50 mins.
    Drain Cycle Time 1 – 15 secs.
    Pressure 200 PSI, with options for others - see chart below
    Power Cord 8 ft. with NEMA 5-15 3-blade, 125 VAC grounded plug.
    Voltage 115V/1PH/60HZ. Additional voltages available. Please contact factory.
    NEMA 4X Enclosure 6" x 3" x 3"
    Stock No. Description Weight
    SD11 Sure-Drain Timer Controller with Single Valve 2 lbs.
    SD11-500 1/4" 500 PSI 2 lbs.
    SD11-1500 1/4" 1500 PSI  2 lbs.


    1/2" 300 PSI 2 lbs.
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    Download the Sure-Drain Installation Operating Manual