Davies Craig Digital Water Pump controller For optimum control of Davies, Craig 12 Volt and 24 Volt Electric Water Pumps. Suits EWP®80, EWP®115, EWP®130, EWP®150 and Thermatic® Fans. The EWP® / Fan Digital Controller has two specific functions. This unique Digital Controller will manage the operation of the EWP® by varying the speed of the pump in response to the coolant temperature and manage control of your electric engine fan. The Controller has a push-button to lock in any targeted/set temperatures between 40°C (104°F) to 110°C (230°F) . Its highly recommended you set/target the Controller to closely match your engines existing thermostat temperature. Generally, higher engine temperature will offer improved fuel efficiency and lower engine temperature more power. The Digital Controller will operate the engines electric fan automatically once the engine has reached 3°C (5.4°F) above the targeted (set) temperature. Another significant benefit is that the Controller allows the EWP®