Swiftech MCP655 / Laing D5 equivalent (NB. this is not the same as the Swiftech MCP655-B which is a fixed speed / lower power variant)

DTC-D5 Design Features:

• Brushless DC motor provides continuous duty service life of 50,000 hours (MTBF) operates at any voltage input between 8-24 Volts.
• Potentiometer built into the pump motor allows precise control over pump speed (RPM) and flow rate.
• Highly efficient design offers extremely low energy consumption.
• Extremely small, compact footprint.
• Flow rate capability of greater than 1200 LPH (litres per hour).
• Head pressures capability of greater than 5 PSI.
• Quick release screw ring allows for easy installation and tear down for cleaning.
• Self aligning rotor keeps noise extremely low over the life of the pump.
• Spherical motor design eliminates shaft seal and bearings, common failure points in traditional centrifugal pumps.
• Brushless DC motor.
• Fixed stator w/ceramic ball rotor/impeller.
• Assembly pump head retaining ring O-ring. 
• Supplied with 1/2" fittings

Located at the bottom of the pump is a potentiometer with 5 preset points. The combination of any voltage input along with control over pump speed allows complete control over pump output. Controlling these variables offers the unique capability to work at the most efficient operating point for your application. The 5 presets work in conjunction with logic programmed into the pumps circuitry.

At preset point #5, 100% of available current reaches the pump motor allowing the pump impeller to spin at maximum RPM of 4,800.

At preset point #1, 20% of available current reaches the pump motor slowing pump speed to 1,800 RPM. These features offer complete operator control over pump speed, flow rate and head pressure.

DTC-D5 Specifications:

• Operating Voltage: 8-24
• Connection: Standard 4 pin Molex
• Max Flow: 1200 LPH
• Max Head: 3.75m
• Maximum Temperature: 60c 
• Watts: 5-20