How do you switch between holding tanks.
This might be a dumb question. I just purchased a new trailer and I noticed on the display panel it has two black tanks and two grey tanks. The exterior only has one drain location, with two pulls,...
Forum Discussion
beemerphile1 wrote:
Do you have two toilets? The black tank(s) would be under the toilet(s).
X2 This is the key. If you have one toilet you probably have one tank. You would only have 2 black tanks if you have 2 toilets far enough apart that they couldn't use a common tank.
On the other hand, who knows what some manufacturers might do to save a buck.
