Toilet Flush Water Tank

It’s possible that there is no flush water tank. On many motorhomes the flush water is supplied by the domestic cold water system. I’ve no idea if that is the case in the model which you have but it certainly was in a 2008 Bessacarr motorhome that I used to own.

You may be able to download a handbook from the Compass (Explorer Group) website.

Alternatively, if you don’t get any luck here, search out a forum that's either brand specific or dedicated to MHs, such as Outandaboutlive.

You probably need to tell us the specific model of your Compass as not all will be the same.

Our motorhome flush water came from the onboard tank.

Why not put some water in the onboard tank and try flushing the loo? If it doesn't work then carry on trying to find the flush tank 😉

Oh just looked at the posting date. 20 days ago! A new poster awaiting approval, but proper name, IRAs no replies given up on getting help?

I noticed another earlier, B2. It's not much of a welcome to new posters😕

Meanwhile others pull the wool over admin's eyes and get away with all sorts.