Davies Craig 8950 EWP115 Electric Water Pump Kit + LCD Pump & Fan Controller

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Davies Craig 8950 EWP115 Electric Water Pump Kit + LCD Pump & Fan Controller

The Davies Craig EWP115 Electric Water Pump and Electric Pump/Fan Digital Controller Combo (Part Number 8950) – is a simple, do-it-yourself, easy to install, kit designed to complement or replace your existing belt-driven, mechanical water pump and engine thermostat.

This essential performance accessory increases your vehicle’s engine power, coolant temperature control and helps eliminate engine heat soak.  The EWP115 will fit most vehicle makes and models fitted with naturally-aspirated or turbo engines up to seven liters (429 cubic inches). The revolutionary, Australian-designed EWP115 is made from aluminum and incorporates a ceramic faced impellor seal for long-life durability.

The EWP115 greatly enhances engine cooling control while giving you added power and improved fuel economy. By removing the parasitic power losses of a belt-driven, mechanical water pump the EWP can provide up to 10kW (14HP) of extra power and increased torque.

The EWP and Fan Digital Controller will manage both the EWP and Thermatic fan operations. The Digital Controller will vary the speed of the EWP in response to the engine’s coolant temperature. Five temperature settings are provided on the Controller for either maximum power or fuel efficiency.

The Thermatic Fan/s will be activated automatically once the engine coolant rises 3°C (5.4°F) above the targeted (set) temperature. The Digital Controller will automatically run on for two minutes (or to 5°C/9°F below the set temperature) after engine shut down, eliminating ‘heat soak’ and extending engine life.

The EWP115 Digital Controller Combo is supplied in a do-it-yourself kit for fitment to your vehicle’s engine, including an easy to follow instruction booklet.

 Technical Specifications for Pump:

  • Dimensions:Operating voltage: 3V DC to 15V DC
    • Height: 84mm (3.31 inches)
    • Width: 128mm (5.04 inches)
    • Inlet Opening: 38mm (1.50 inches)
    • Pump weight: 1200 grams (2.65 lb)
  • Maximum current: 10A
  • Flow rate (max): 115 L/min (1822 US gal/hr) @ 13V DC
  • Operating temperature: -40° to 130°C (-40° to 266°F)
  • Pump design: Clockwise centrifugal
  • Motor life:Pump material: aluminum
    • 3,000 hours continuous at 80°C (176°F) and 12V DC;
    • 7,000 hours with an EWP/Fan Digital Controller (included)
  • Burst pressure: 500 kPa (72.5 psi)
  • Seal: Ceramic face seal
  • Inlet and outlet size: 38mm (1½”) - fits hose sizes: 38mm to 44mm / 1½” to 1¾” with included sleeve adapters

  • Internal thread: inlet 1" NPT, outlet 1" NPT 
  • The Electric Water Pump is a recirculating pump which is ideal for a ‘closed system’ similar to an automotive cooling system; it is not ‘self-priming’

The Davies Craig Digital Controller for Electric Water Pump & Fans  Part Number 8001 LCD Digital Controller how has two specific functions. This unique Controller will now manage the operation of the Electric Water Pump (EWP) by varying the speed of the EWP in response to the temperature of the engine and manage control of your electric engine fan. The Controller has a push-button on the facia panel that offers target temperatures Singular degrees from 60°C (140°F) to 100°C (212°F). Generally,

higher engine temperature will offer improved fuel efficiency and lower engine temperature more power. The LCD Digital Controller will now operate the engine’s electric fan automatically once the engine has reached +3c above the target temperature. A significant benefit too is the Controller allows the EWP to run on after ignition shutdown to reduce heat soak. It is recommended that engine operational temperatures be checked with manufacturer.


  • Plus 10°C (14°F) set/target temperature
  • Under temp 40°C after 5 mins
  • Temp sensor error
  • Over or under voltage
  • EWP error

Kit Contents: EWP115 Aluminum Pump, Digital Controller, instructions, wiring harness, In-line adapter, sleeve rubber adapters (4), hose clamps (4), temperature sensor assembly, hardware

  • Black & White Numerical Screen
  • Celsius or Fahrenheit display option
  • Warning Alarms:
  • Select any set temp range from 140°F / 60°C to 212°F / 100°C
  • Set / targeted temperature memory
  • Override feature to assist bleeding EWP & fail safe
  • Input voltage display
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