Milltek Valve Controller Weather Resistant Enclosure

wings19

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Jun 25, 2025
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My Specs:
Emira V6
Hello fellow enthusiasts! I'd like to show you a solution I've created to help keep the Milltek valve controller unit and connector out of the elements.

When I bought my valve controller and saw it was recommended to install the unit using a plastic bag to keep it dry, I wanted a more elegant solution. I designed and printed this enclosure for my own installation, showed the Houston Emira Group, and it became pretty popular. ...So I thought I'd offer it here as well!

There are two versions available, both include a .18oz tube of E6000 Premium which is designed for plastic such as ASA. Both of my enclosures are compatible with V1 and V2 versions of the Milltek controller. Choices outlined below:
  • V1 - Plain square box with no zip tie tabs. (I am told there is a placement for the V1 controller for which the box with no tabs is a better fit)
  • V2 - Square box with zip tie tabs for easier and safer mounting. Zip ties should still be installed over the box but the tabs help keep the box from slipping out of the zip tie.

The enclosure is made with ASA plastic and comes in two halves. Installation is as follows:
  1. Insert the controller into the bottom half.
  2. Attach the top using the included E6000 Premium adhesive and clamp/weight it to dry.
  3. Once the halves are joined together you should smear some of the adhesive along the seam around the box to ensure weather resistance.
  4. For the cable exit, use adhesive to seal this area.
  5. Wait for the adhesive to dry, 24hr recommended. And install on the car!
Price - $35 shipped CONUS
(Contact me for other locations)

IMG_0631.webpIMG_0632.webpIMG_0634.webpV2 BoxIMG_1565.webpIMG_1417.webp
 
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Are they not already weather proof and designed to be installed as is?
Has anyone here had one fail from water ingress?
 
Are they not already weather proof and designed to be installed as is?
Has anyone here had one fail from water ingress?
The controller case is not sealed especially where the connector is. The connector itself appears to be a Molex connector designed for PC power supplies which is not designed for outdoor use. The box I've designed encompasses the controller and connector for those reasons.
 
Are they not already weather proof and designed to be installed as is?
Has anyone here had one fail from water ingress?
The miltek module is anything but weather sealed. Just snap together plastic casing to house the PCB and the main connector is a Molex Microfit connector, which is also not weather sealed.

@wings19 is good to go! We're local and he's part of the Houston Emira group. Buy with confidence!
 
I had already installed my MVC a year ago but saw a few of them melt with heat so I got this box from Nick. Worked amazing. The MVC fits perfectly inside of it. I used permatex right stuff RTV to insulate the plug because it is pretty exposed. Then I also sealed it closed with the same so it becomes water right.

I also used heat shielding for the wires and the box fits perfectly inside a little box on the bumper behind the wheel. Here are some pics of my re-install.
 

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