[Ken S]

I would google for hall effect marine throttle, or hall effect boat throttle.

Would any of these work?

Orscheln's Hall Effect Throttle, Using a Hall Effect Sensor

Looking for a hall effect throttle? We offer electronic throttle systems with our hall effect sensor installed for precision.

orschelnproducts.com

Variohm Hall Effect TPS

AT Power Variohm Hall Effect Throttle Position Sensor. Call now on 01953 857800.

www.atpower.com

Here's a budget buster

Cummins Genuine Electronic Throttle Control (Hall Effect, 5585376)

Cummins Genuine Electronic Throttle Control

www.sbmar.com

It looks like the small curtis controllers use a potentiometer input. You may need to build an interface.(but that would seem to defeat some of the safety purpose of a dual hall-effect throttle position sensor) The high-power controllers use CAN.

 

[Alexm]

Thanks, Ken. I already googled these terms but you have found a few new ones. Maybe search results are manipulated by Google. The problem is that there are some available on the market but I want to be sure they are compatible with Curtis. Basically I hope to find somebody who has installed one together with Curtis so I'm absolutely sure.