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EWP80 Combo - 12V 80LPM/21GPM Remote Electric Water Pump & Controller Combo (Part #8907)

The EWP80 is available for purchase in following options:

  • Pump Only (Part #8105) 
  • Kit (Part #8005)
  • Combo with Controller (Part #8907)

The EWP®80 Electric Water Pump and LCD EWP®/Fan Digital Controller Combo – simple, do-it-yourself, easy to install, designed to complement or replace your existing belt-driven, mechanical water pump and engine thermostat, and operate your Thermatic® Fan.

The EWP®80 will fit most vehicle makes and models fitted with naturally-aspirated or turbo engines up to two litres, 12 Volt Only.

 

Visit the DC Tube page for installation demonstration videos: https://daviescraig.com.au/dc-tube

 

Kit Contents

EWP COMPONENTS

 HARDWARE BAG COMPONENTS

Description 

Qty 

Description

Qty

EWP Short Kit

1

Scotch Lock

1

EWP & FAN Controller

1

Ring Terminal

1

Inline Adaptor

1

Ring Terminal (Yellow)

1

Wiring Harness (10A Fuse)

1

Self Tap Screws

1

Elbow Adaptor 35mm (Nylon)

1

Temp Sensor Assembly

1

Straight Adaptor 35mm (Nylon)

1

Adaptor M5 Bolt

6

O-Ring

2

Adaptor M5 Nut

6

Rubber Sleeve 3mm (Increase hose fitting size to 38mm)

*For larger hose size, you will need 6mm sleeves (Part #18511) which will increase adaptor to fit hose size 41~42mm *not in kit*

2

M5 Cap Screw Long

6

Hose Clamps

4

 

 

EWP Hardware Bag

1

 

 

 

Technical Specifications
Technical Specifications - EWP80      Technical Specification - LCD Controller
Operating voltage 3V DC to 15V DC Voltage range 12V DC to 29V DC
Maximum current 7.5A @ 13V Display LCD size

64.6mm (2.54”) x 55.6mm (2.19”)

Flow rate (max) 80 L/min (21.13 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 900 grams (2.0 lb) Memory Set & targeted temperature
Pump material Nylon 66, 30% glass-filled Fan cut-in temp. 3°C (5.4°F) above the targeted (set) temperature
Burst pressure 350 kPa (50 psi) Controller type PCB with micro-processor
Seal Ceramic face seal Sensor type Thermister in housing
Fits hose sizes 32mm to 51mm (1⅜” to 2”) Overrun/ shutdown -10°C (14°F) below set/target temperature or 3 minutes
Self Priming No, none of our pumps are self-priming Indicators Temperature, power, EWP, test, fan, high & low temp, voltage, above set temperature (with alarm)
    Weight 100 grams (3.5 oz)
    Dimensions

Length = 98mm (3.8")

Width = 95mm (3.7")

Depth = 25mm (1”)

   

The revolutionary, Australian-designed EWP®80 is made from anti-corrosive, lightweight, heat-resistant, glass-filled nylon and incorporates a ceramic faced seal for long-life durability.
The EWP®80 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 (13hp) of extra power and increased torque.


The LCD EWP®/Fan Digital Controller will manage both the EWP® and Thermatic® fan operation. The Digital Controller will vary the speed of the EWP® in response to the engine’s coolant temperature. Multiple 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 three minutes (or to 10°C / 14°F below the set temperature) after engine shut down, eliminating ‘heat soak’ and extending engine life.


The EWP®80 Digital Controller Combo is supplied in a do-it-yourself kit with everything you need for fitment to your vehicle’s engine, including an easy-to-follow DIY instruction booklet.

The world’s most advanced total engine cooling management system

  • universal fit
  • more power
  • more cooling
  • increase fuel efficiency
  • extend engine life
  • world-leading technology
  • lightweight Nylon 

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.

 

Product Selection Guide

Application Pump Model Pump Kit Pump Combo Controller / Switch
Part #
12 V
Part #
24 V
Part#
12 V
Part #
24 V
Part #
12 V
Part #
24 V
Motorbike up to 500cc (Standard) EBP®15 9001       0444 or 0500  
Motorbike 500cc - 1000cc (Std) EBP®23 9050       0444 or 0500  
Motorbike 1000cc - 2000cc (Std) EBP®25 9005       0444 or 0500  
Vehicle Heater System (Standard) EBP®23 9050       0444 or 0500  
LPG (Butane) System (Standard) EBP®23 9050       0444 or 0500  
Intercooler
(depending on capacity)
EBP®23 9050          
EBP®25 9005          
EBP®40 9040 9041     0444 or 0500 0444 or 0500
EWP®80 8005   8907      
Engines up to 2.0L (Standard) EWP®80 8005   8907   8002 8002
Engines up to 2.0L - 3.5L (Standard) EWP®115 8025 or
8040
8026 or
8041
8930 or
8950
8931 or
8951
8002 8002
Engines up to 3.5L - 5.0L (Standard) EWP®130 8080 8081 8990 8991 8002 8002
Engines 5.0L or greater (Standard) EWP®150 8060 8061 8970 8971 8002 8002
Modified Engines
Supercharged/Turbo
EWP®150 8060 8061 8970 8971 8002 8002
Drag Racing, Drifting & Speedway EWP®150 8060 8061 8970 8971 8002 8002
Off Road / 4WDs EWP®130 8080 8081 8990 8991 8002 8002
Solar Hot Water Systems (depending on size) EBP®15 9001       0444 or 0500  
EBP®23 9050       0444 or 0500  
EBP®25 9005       0444 or 0500  
EBP®40 9040 9041     0444 or 0500 0444 or 0500

  

 For further information, see Product Information

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