It depends where you are buying it from, because different manufacturers differ with specs. All will fit, but some perform better than others (and some are cheap crap
The one we sell >>here<<
is the one for your Zorbster.
If you want to keep Zorbster functionality, swap over your TOC. If yours is shot, we have those >>here<<
If you don't want/need Zorbster functionality, leave the new two wire TOC on and wire it as a standard machine: Blue from flex to black on motor. Brown from flex to switch, then out of switch down to red on motor (if yours has a 4 prong switch its blue>switch>black and brown>switch>red)
. That means you are bypassing the micro switch in the chassis in that instance, and the wiring for it is now obsolete.
If a 4 prong switch, you wire like so:— —
Is that clearer?