DAVIES CRAIG PTY, LTD. - Digital Thermatic® Fan Switch with 1/4" NPT Sensor

DAVIES CRAIG PTY, LTD.

Digital Thermatic® Fan Switch with 1/4" NPT Sensor - 0435

Digital Thermatic® Fan Switch with 1/4" NPT Sensor - 0435

Our very own Digital Thermatic® / Electric Fan Switch is designed to manage your Electric Fans or Electric Water Pump (EWP®).

This kit includes two thermal sensors offering numerous installation options for coolant temperature sensing whilst the inline adapter allows easy fitting directly into the radiator hose. Just screw the ¼ NPT sensor directly into the inline adapter and remove about 17mm (2/3”) of radiator hose, fit the inline adaptor between each hose and secure the hose clamps.

Temperature Probe: It senses air temperature as it passes through the radiator with the sensor placed in the radiator fin section.
¼ NPT Thermal Sensor: Just screw the ¼ NPT sensor directly into the inline adapter or it can be placed into the thermostat housing, engine block, or directly into the radiator.

The switch can run 1 or 2 fans and be used for 12 or 24 volt applications. It has an adjustable temperature range of 40ºC to 110ºC (104ºF to 230ºF) which can show Centigrade or Fahrenheit.

Fan #1 will start once the temperature reaches the set temperature.
Fan #2 (if applicable) will start operation 10 seconds after fan #1 starts.
The fan/s will operate until the temperature falls by 5°C below the set temperature.

Sensor Wire length:

142cm in total (Wire from switch 112cm plus sensor connector 30cm)
Post 15-Dec-2021 = 320cm total (Wire from switch 290cm plus sensor connector 30cm)

*The sensor wire has been increased to 320cm from the 15-Dec-2021, batch date 2021

IP66 Rated:

Protected from total dust ingress
Protected from high pressure water jets from any direction, limited ingress protection
Not waterproof

The Inline Sensor Adapter simply fits into your engine’s top radiator hose. The adaptor ends for hose fitting are 35mm in size.

With the use of our 3mm adaptor sleeve (Included in kit), this can be increased to 41mm (Part #18510)
With the use of our 6mm adaptor sleeve (Optional), this can be increased to 47mm (Part #18511)

Two 1/4" NPT holes allow the fitment of a sensor and or air bleed. Should you only need one hole, a bung is included.

*Note: Kit sold in 12 volt configuration, for 24 volt application you will need to change the two relays with 2 x 24 volt relays which are not supplied in the kit. We have 24 Volt relays listed on our store, part #10534

KIT CONTENTS
DESCRIPTION | UNITS
Digital Fan Switch IP66 | 1
Thermal Sensor Probe | 1
Mounting Kit for Thermal Sensor Probe | 1
¼ NPT Thermal Sensor | 1
Red 6mm Ring Terminal | 1
Blue 6mm Ring Terminal | 1
Blue Wire Joiner | 2
Self Tap Screw | 2
In-Line Adapter 35mm(2 x 1/4" NPT Holes) & Bung | 1
Adapter - Rubber Sleeve - 3mm {1/8"} | 2
Hose Clamps | 2
Instructions | 1

Convenient push-button settings allow you to quickly set the temperature you wish the Thermatic Fans to be activated.

The Digital Thermatic Fan Switch is supplied with connectors and everything you need for a convenient and simple install.
Automatically activates the Thermatic® Fans at the set/targeted temperature when extra engine cooling is required
Can also be installed to activate an Electric Water Pump and Electric Booster Pump

The Digital Thermatic Twin Fan Switch should be mounted in the engine bay close to the radiator.

*Note: if using this switch for use with and Electric Water Pump (EWP), it will not vary the speed of the pump in response to engine temperature but rather turn the pump on and off at your set temperature. For EWP control, we recommend the Digital Controller (Part 8002) which can manage both the EWP and your Thermatic Fans.

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