Frequently Asked Questions

CouplerTec rust-proofing FAQ
Below you will find answers to frequently asked questions. If your question is not among them, contact us and we will do our best to find the answer to it.


Why rust-proof a vehicle?

Metal is a large and important component of vehicles. Unfortunately, though, there’s a downside to it. When it combines with air and moisture, it starts to rust. More.

What is the difference between CouplerTec systems and conventional rust-proofing methods, e.g. sprays and coatings?

Sprays and coatings are only as good as where they can reach. More.

Will CouplerTec electronic rust-proofing systems work with conventional rust-proofing?

Absolutely! They will improve and enhance any conventional method already applied to your vehicle. More.

Are all electronic rust-proofing systems the same?

No, we know different electronic rust-proofing systems. More.

Has CouplerTec technology been tested?

Yes. CouplerTec’s unique patented capacitive coupling technology has been thoroughly tested in both laboratories and the most corrosive environments. More.

My car already has some rust – will CouplerTec help?

Yes. In all but very severe cases CouplerTec systems will slow the corrosion rate noticeably More.

How do I know if my CouplerTec electronic rust-proofing system is operating correctly?

If the module is working correctly, a green light is flashing. More.

Will the addition of a CouplerTec system to my vehicle void the manufacturer’s new vehicle warranty? Will it interfere with on-board electronics?

No. There is no reason why a CouplerTec system could ever void a manufacturer’s warranty. More.

Do CouplerTec systems differ to suit vehicles of differing sizes?

Yes. When selecting the best-suited CouplerTec system for your vehicle, you must consider its type, size and intended use, the surface it usually drives on, and the climatic conditions it usually operates in. More.

Will CouplerTec systems flatten the car battery?

No. CouplerTec systems draw less power from the battery than a dashboard clock. More.

If I trade or sell my car can I take the CouplerTec unit off?

Yes. Transferability is CouplerTec’s great advantage. More.

Is CouplerTec more expensive than other rust-proofing methods?

No. Unlike conventional methods CouplerTec is a once-only cost. More.

What about CouplerTec’s service life?

The systems’ life is indefinite. More.

How many sacrificial anodes do CouplerTec electronic rust-proofing systems have?

None. CouplerTec employs a technology known as capacitive coupling; the couplers are fixed to the vehicles painted surface. More.

Is cheaper better?

No. Unfortunately, the electronic rust-proofing market is rife with products that do absolutely nothing in terms of controlling corrosion. More.

CouplerTec Rustproofing
can efficiently
prevent and stop rust
on any vehicle,
also on yours!

Are you interested?

  • 2018 Abenteuer & Allrad show in Bad Kissingen

    cofAnother year gone and our 35 year old Landcruiser HJ60 is still shiny and No rust! at Abenteuer & Allrad show in Bad Kissingen, the biggest offroad exhibition in Europe.