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EWP®115 Alloy Remote Electric Water Pump (12V) (PART #8140)

The EWP®115 Alloy (12V) is available for purchase in following options:

  • Pump Only (Part #8140)
  • Kit (Part #8040)
  • Combo with Controller (Part #8950)

The EWP®115 pump is suitable for small, medium, large, high- performance and 4WD vehicles. It’s a performance product that improves engine cooling control and capacity whilst giving you more power and torque and improved fuel economy.

The EWP®115 is a practical alternative to the mechanical belt-driven pump or fitted as an auxiliary pump. Mechanical belt-driven water pumps run directly off the motor and sap engine power … the EWP®115 is hardwired into your electrical system, by-passing the engine and releasing up to an additional 10kw (13hp).

 

CONTENTS

DESCRIPTION

UNITS

EWP®115 (Alloy) 12V

1

 

Technical Specifications

 Voltage

12 Volt Pump

Operating voltage

3V DC to 15V DC

Maximum current

10A @ 13V

Flow rate (max)

139 l/min
36.7 g/min

Operating temp.

-40° to 120°C
   (-40° to 248°F)

Pump design

Clockwise centrifugal with volute chamber

Pump weight

920 grams (2.03 lb)

Pump material

Aluminium
(powder coated)

Burst pressure

500 kPa (72.5 psi)

Seal

Ceramic face seal

Self Priming

No, none of our pumps are self-priming

Fits hose sizes

35mm to 51mm (1⅜” to 2”)

Inlet: -16AN (12) Outlet: -16AN (12)

Push-On fitting Size

EWP Inlet & Outlet 38mm

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

 

EWP & CONTROLLER INSTALLATION DEMONSTRATION

 

Combined with an LCD EWP®/Fan Digital Controller (Sold separately Part #8002 or EWP® Combo Pack) 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® Controller Combo Pack 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

 

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 EWP®115, EWP®140 and EWP®150 Part #8700 or #8710 Mounting bracket is recommended.

 

PRODUCT SELECTION GUIDE
Electric Water Pump (EWP®)
 APPLICATION

 PUMP 

MODEL

PUMP ONLY PUMP KIT PUMP COMBO
12V 24V 12V 24V 12V 24V
 Engines up to 2.0L
(Standard)
EWP®80 #8105 Nylon
#8106 Flange
#8109 Barb
N/A #8005 Nylon
#8006 Flange
#8009 Barb
N/A #8907 Nylon
#8908 Flange
#8919 Barb
N/A
 Engines up to 2.0L - 3.5L
(Standard)
EWP®115 #8125 Nylon
#8140 Alloy
#8126 Nylon
#8141 Alloy
#8025 Nylon
#8040 Alloy
N/A #8930 Nylon
#8950 Alloy
N/A
 Engines up to 3.5L - 5.0L
(Standard)
EWP®140 #8180 Alloy #8181 Alloy #8080 Alloy N/A #8990 Alloy N/A
Engines 5.0L or greater
 (Standard)

Modified Engines 
Supercharged/Turbo,
Drag Racing, 4WD,
Off Road, Drifting & Speedway
EWP®150 #8160 Sliver
#8165 Black 
#8161 Silver #8060 Silver
#8065 Black
#8061 Silver #8970 Silver
#8975 Black
#8971 Silver
Intercooler
(depending on capacity)
EWP®115 #8125 Nylon
#8140 Alloy
#8126 Nylon
#8141 Alloy
#8025 Nylon
#8040 Alloy
N/A #8930 Nylon
#8950 Alloy
N/A
EWP®140 #8180 Alloy #8181 Alloy #8080 Alloy N/A #8990 Alloy N/A
EWP®150 #8160 Sliver
#8165 Black 
#8161 Silver #8060 Silver
#8065 Black
#8061 Silver #8970 Silver
#8975 Black
#8971 Silver

 

For further information, see Product Information

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