Draining holding tank on 2012 v3600 Voltage - Dutchmen 2012 Voltage V3600

Fresh water drains should go directly onto the ground, not into another tank. I'd think a previous owner made the modification you describe. I'd correct it and allow fresh water tank drain go onto the ground.

the grey water is your shower and sink drain tank. the black water is your... you know. the two combine to the dump that's held together with a bypass for grey water to flow into the black tank and vice versa so you can flush the black tank further. all of this comes out the end into your dump out for black and grey. If your talking about white water (potable) holding tank, filling this drains through the use of it, run the shower outside or hold flush down until it drains. otherwise. the hotwater tank will drain with the anode when you regularly change that once a year as directed by people who camp once a year - change that anode -

Look inside the tank to see if a small piece of plastic has found it's way into the inlet line to the water pump. It happens more often that you think.

May be some toilet paper build up that is blocking the drain. Put some water and some additive along with a bag of ice in the holding tank and drive around town. This will break up the sludge and clean the sensors. Then try to drain it again...

The galley holding tank holds the grey water from the galley.

The water tank drain should have a shut off valve to prevent water leak. I wouldn't cap it, you should want to drain water tank on occasion.

Jay, We need a lot more info to help you. What are you doing when it won't drain? Which holding tank and on what kind of a rig? Just tell us what is going on, please.

If it is a big valve it is your sewer tank drain valve. There is two valves. One is the Black water drain and the other is the gray water drain. the black water drain comes from the toilet holding tank, and the gray water valve drains the shower and sink holding tank.

check with the dealer they can help you find this