SKU: 72976425956

Davies Craig, Digital Thermatic Fan Switch With 1/4" NPT Sensor

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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

Davies Craig, Digital Thermatic Fan Switch With 1/4" NPT SensorThis Digital Thermatic Fan Switch Kit can be used with Thermatic Electric Fans, EWP's and competitors Fans. It senses air temperature as it passes through the radiator with the sensor placed in the radiator fin section or the sensor can now also be placed directly into the coolant system in combination with a Temperature Sensor Adaptor Kit (Part # 317 DC 0409). Can be used for 12 or 24* volt applications and has an adjustable temperature range of 104F

This Digital Thermatic Fan Switch Kit can be used with Thermatic Electric Fans, EWP's and competitors Fans.

It senses air temperature as it passes through the radiator with the sensor placed in the radiator fin section or the sensor can now also be placed directly into the coolant system in combination with a Temperature Sensor Adaptor Kit (Part # 317-DC-0409).

Can be used for 12 or 24* volt applications and has an adjustable temperature range of 104ºF to 230ºF (40°C to 110°C) which can show Centigrade or Fahrenheit. Temp is set by pressing the set button. It can run 1 or 2 fans. The second fan (if applicable) will start 10 seconds after Fan #1 runs. It operated thermally & also when the air conditioning is in operation.


Specifications:

  • Max voltage: 12 to 27V (For 24V, relays need to be changed, not supplied in kit)
  • Max current: 40A per Fan
  • Relay setup: Dual relay
  • Speed: Single speed, 10 second delay to start up the second fan
  • Applications: Suitable for single and dual fan applications
  • Screen Display: LED digital temp display, actual temp + set temp
  • Temp Display: Centigrade or Fahrenheit
  • Temp settings: 40°c to 110°c (104°F to 230°F)
  • Temp setting: Push Button
  • Circuit type: Pre-programmed micro controller
  • Output wires: Batt + Batt - IGN, AC Clutch, Fan #1, Fan #2 Thermistor Probe
  • Dimensions: 3-3/4" (95mm) x 2-9/16" (65mm) x 2-3/16" (56mm)
  • The unit is NOT WaterProof


Sensor Wire length: 142cm in total (Wire from switch 112cm plus sensor connector 30cm)

 

KIT CONTENTS
Digital Fan Switch IP66     1
Thermal Sensor Proble     1
Mounting Kit for Thermal Sensor Probe     1
¼ NPT Thermal Sensor     1 (DC-0465)
Red 6mm Ring Terminal     1
Blue 6mm Ring Terminal     1
Blue Wire Joiner     2
Self Tap Screw     2
Instructions     1


*Note: if using this switch for use with our EWP's, 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 (Electric Water Pump) control, we would recommend part number 8001 which can manage both the EWP and your Thermatic Fans.

*Note: Kit sold in 12 volt configuration, for 24 volt application, you will need to change the two relays with 2 x 24 volt units which are not supplied in the kit.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 72976425956

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Fort Morgan, US
★★★★★ 5
Amazon Basics MERV 11 Filters: Solid Performance Without the Premium Price
Pattern Name: 20x20x1, Style: Merv 11
Amazon Basics MERV 11 Filters: Solid Performance Without the Premium Price I’ve been using these Amazon Basics 20x20x1 MERV 11 filters in my home HVAC system, and overall they’ve been a very dependable option for routine filter changes. I like buying them in a 6-pack because it takes the hassle out of remembering to reorder every couple of months, and the per-filter cost is noticeably lower than the big-name brands at the hardware store. Installation is straightforward. The actual size fits my return slot properly with no bending or forcing, and airflow has remained strong. With MERV 11, these strike a nice balance for my setup — noticeably better dust and pollen capture than basic MERV 5 or 8 filters, but without putting obvious strain on the system. After about a month of use, the filters clearly show they’re doing their job, collecting a visible layer of dust and fine debris. A few things to keep in mind. The cardboard frame isn’t as rigid as some premium filters, and they’re a bit thinner than brands like Filtrete. They’ve held up fine for me during normal use, but I wouldn’t try to stretch them much past the recommended replacement interval. Also, if you have an older or low-powered HVAC system, MERV 11 may be more filtration than you need — in that case, a lower MERV option might make more sense. Bottom line: These Amazon Basics MERV 11 filters are a practical, budget-friendly choice that deliver solid filtration and good airflow for regular HVAC maintenance, as long as you stick to timely replacements and don’t expect premium-brand rigidity.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
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Verified Purchase
Bob Collins
Battle Creek, US
★★★★★ 5
Great filter at Great price.
Pattern Name: 14x14x1, Style: Merv 8
Prefect fit and works great. We have these on subscription to match our system filter replacement reminder.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
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Verified Purchase
JoslinsROCK!!!
Cuba, US
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ I can breathe again — and my house says thank you 😂
Pattern Name: 20x20x1, Style: Merv 11
⭐️⭐️⭐️⭐️⭐️ I can breathe again — and my house says thank you 😂 These Amazon Basics MERV 11 air filters have been a game changer for my HVAC system. I installed them and immediately felt like my home went from “dust tornado aftermath” to “spa-day air vibes.” Whether it’s pollen, pet hair, or mystery dust bunnies lingering in the corners, these filters make the air feel noticeably cleaner and fresher. Installation was about as easy as ripping plastic wrap off a new gadget — pop out the old filter, slide these in, and suddenly the air quality goes from “huh?” to “ahhh.” The electrostatic pleated design grabs everything from sneaky dust motes to pet dander like a champ, and I can actually tell when the AC kicks on that the air feels crisper — in a good way. 🌬️ Between the six count and the solid MERV rating, this was a smart purchase that keeps my HVAC happy and my allergies way more manageable. If you want clean air without the hassle, these filters are a fantastic value and really get the job done. Highly recommend!
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Reviewed in the United States on February 26, 2026
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Ryan
Battle Creek, US
★★★★★ 4
Good, I think.
Pattern Name: 16x25x1, Style: Merv 11
Not my area of expertise but wanted something with a thicker filter and these seem to be doing well. They last 3+ months before discoloration is noticeable to the point you’d think it’s time to put in a new filter. The 6-pack price can’t be beat, truly. Easily installed and used, fits perfect to size and looks clean. Unknown relief on allergies so far since it’s been winter but I’m optimistic.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
B
Verified Purchase
Ben Hancock
Birmingham, US
★★★★★ 5
Better quality that name brand hardware store
Pattern Name: 20x20x1, Style: Merv 11
These are a great value for a multi-pack. They fit perfectly in the vent and you can definitely notice the difference in air quality. It’s much easier to just have a stack of these on hand so I can swap them out regularly without a trip to the store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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