Regarding the flow plumbing and how much liquid is in the Flow, I saw a cutaway of the flow tank at the Truma Elkhart service center. The glycol runs through the flow unit in a 3/4” coiled tube and b… (View Post)
So I found one of the two reported bleeder valves in my 23 400. The rear passenger side one. The front dinette passenger side was no where to be found. Possibly under portal window if you take off th… (View Post)
If check valves are the issue, don’t forget that Alde Flow equipped trailers have a second check valve in the flow plumbing. Either one could have caused the condition he experienced. (View Post)
there is a one-way ‘non-return valve’ in the Alde glycol boiler just after the gold auto air bubble bleeder on the top boiler hose. Not marked in my picture, but under the two sequential hose clamps … (View Post)