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EWP150 Combo - 12V 150LPM/40GPM Remote Electric Water Pump & Controller (Part #8970)

The EWP150 Alloy 12V is available for purchase in following options:

  • Pump Only (Part #8160) 
  • Kit (Part #8060) 
  • Combo with Controller (Part #8970) 

Muscle up your engine cooling system with the Davies Craig EWP® 150 alloy Electric Water Pump and the LCD EWP®/Fan Digital Controller.

Like all EWPs, this advanced unit is designed for remote mounting in the engine bay to satisfy those higher horsepower, turbocharged, supercharged and ‘worked’ engines which develop excessive heat & intercooler applications.

 

COMBO CONTENTS
PART DESCRPTION UNITS

EWP150 Alloy

1

EWP/Fan Digital Controller & Mounting Plate + Bracket

1

Sensor Thermal - coolant temp - ¼" NPT thread

1

Adaptor - Nylon - In Line, 38mm (2 x 1/4" NPT)

1
1/4" NPT Nylon - Bung 1

Wiring Harness

1

Hose Clamps

4

SCREW - SELF TAP 8X3/8 BZ

1
BLUE 6mm Ring Terminal 1

 

TECHNICAL SPECIFICATIONS
EWP150 - ELECTRIC WATER PUMP      LCD CONTROLLER
Operating voltage 3V DC to 15V DC Voltage range 12V DC to 29V DC
 Maximum current 10A @ 13V Display LCD size 64.6mm (2.54”) x 55.6mm (2.19”)
Flow rate (max) 150L/min (39.63 US gal/min) @ 13V DC Maximum current 12Amps
Operating temp. -40° to 130°C (-40° to 266°F) Warning alarm High & low Temp., Above set temp., Sensor short circuit, Pump error, High & low voltage and Sensor open circuit
Pump design

Clockwise centrifugal with volute chamber

Targeted (set) temperatures Singular degrees from:
40°C (104°F)to 110°C (230°F)
Pump weight 1,170 grams (2.6 lb) Memory Set & targeted temperature
Pump material Aluminium (Powder Coated) Fan cut-in temp. 3°C (5.4°F) above the targeted (set) temperature
Burst pressure 500 kPa (72.5 psi) Controller type PCB with micro-processor
Seal Ceramic face seal Sensor type
Thermister in housing

Self Priming

No, none of our pumps are self-priming

Fits hose size

35mm to 51mm (1.38” to 2”)

Overrun/ shutdown -10°C (14°F) below set/target temperature or 3 minutes
Indicators Temperature, power, EWP, test, fan, high & low temp, voltage, above set temperature (with alarm)
Internal Fitting -Inlet & Outlet: -16AN ORB Weight 100 grams (3.5 oz)
Push-On fitting Size

EWP Inlet & Outlet 38mm

  • with 3mm Sleeve (#8510) 44mm
  • with 6mm Sleeve (#8511) 51mm
Dimensions

Length = 98mm (3.8")
Width = 95mm (3.7")
Depth = 25mm (1”)

 

 

EWP & CONTROLLER INSTALLATION DEMONSTRATION

 

The compact EWP®150 alloy unit is manufactured with AN-16 ORB internal inlet and outlet fitting for neat, tight screw-in fitting applications. This rugged alloy hi-flow electric water pump is designed to complement or replace the engine’s existing mechanical water pump. This essential performance part increases power to
your vehicle’s drive wheels and improves coolant temperature control.


The EWP®150 is a universal, do-it-yourself, easy installation fitment to engines up to seven litres. By removing the parasitic power losses of belt-driven water pumps, the EWP®150 releases up to 10kW (13hp) of extra power, increased torque and fuel savings. Combine it with the LCD EWP®/Fan Digital Controller and the pump continues to run after you’ve switched off, eliminating “heat soak” and extending engine life.


The EWP®150 and LCD EWP®/Fan Digital Controller Combo Kit is the most economical way to increase horsepower and save on fuel consumption whilst caring for your engine.

 

EWP® INSTALLATION OPTIONS

Installing an EWP® as an AUXILIARY PUMP

  • Leaving the mechanical water pump in place, install the EWP® into the bottom radiator hose.
  • Remove the thermostat and drill two approx. 3mm (1/8") holes in the thermostat plate to allow some coolant circulation when the thermostat is closed. Re-install ensuring that the thermostat housing is clean and a new gasket is used if required.

EWP® INSTALLATION – disabling Mechanical water pump

  • Leaving the mechanical water pump in place, install the EWP® into the bottom radiator hose and remove the manufacturer’s thermostat.
  • You will need to bypass the water pump pulley by installing an appropriate length belt (not supplied). This method makes for an easy installation.
  • If running the pump continuously remove the thermostat and drill two approx. 3mm (1/8") holes in the thermostat plate to allow some coolant circulation. Re-install ensuring that the thermostat housing is clean and a new gasket is used if required.

In both these cases, the EWP® will pump past the impeller of the mechanical water pump.

Disengaged mechanical water pump (recommended)

  • Remove the mechanical water pump and remove the thermostat.
  • Then remove the impeller from the mechanical pump shaft. Retain the mechanical water pump using the pump pulley as an idler to avoid re-routing the drive belt.
  • Block any bypass passages and re-install the disengaged water pump ensuring that all gasket surfaces are clean and the new gaskets are properly fitted to prevent leaks.
  • Install the EWPÒ into the bottom radiator hose.

Removed mechanical water pump (Ideal)

  • Remove the mechanical water pump and thermostat from the engine.
  • Install a Davies Craig EWP® Header Adaptor or blanking plate (not supplied). Ensuring the gasket surfaces are clean and the appropriate gasket or sealant is used to prevent leaks.
  • Install the EWP® into the bottom radiator hose. This method will require you to modify or replace the standard radiator hose.
  • Install an appropriate length belt (not supplied) to drive the accessories.

In most cases EWP® will be adequately supported by the radiator hose. Where mounting is required, the EWP® must be soft mounted to protect against vibration. For the EWP115, EWP130 and EWP150 Part #8700 Mounting bracket is recommended.

 

EWP & FAN DIGITAL CONTROLLER
This LCD EWP® / Fan Digital Controller (Part #8002) is Australian designed and as part of this Australian manufacturing company’s continuous improvement program this advanced Digital Controller boasts a suite of enhancements.

  

The updated LCD Digital Controller how has two specific functions. This unique Controller will now manage the operation of the 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 40°C (104°F)to 110°C (230°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.

Features
null  Black & White Numerical Screen

null Celsius or Fahrenheit display option
null Warning Alarms: 

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

 null  Select any set temp range from 40°C (104°F)to 110°C (230°F)
null Set / targeted temperature memory
null Override feature to assist bleeding EWP & fail safe
null Input voltage display
null Compatible with billeted style Electric Water Pumps

 

 For further information, see Product Information

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Related Tech Tips

Yes, you can run 2 pumps in series, however I would look at using a thermal switch to control the flow of the second pump.

The use of a thermal switch will allow you to always have the additional flow needed and can assist is catching any overheating issues.