PLUMBING & BATH FEATURES
The toilet should be cleaned regularly for maximum sanitation and operational efficiency. Clean the toilet
bowl with a mild bathroom cleaner.
BLACK WATER HOLDING TANK
The “black water” (i.e., sewage) holding tank is located directly beneath the toilet. Before using the toilet, you
will need to treat the tank with water that is mixed with an odor-controlling chemical. These chemicals are
readily available at any RV supply store. Pull the toilet levers forward to allow the chemicals to mix with the
toilet water. Continue pulling the toilet levers until a depth of at least one inch of solution is directly under the
toilet. Release the levers and the waste tank is now ready for use.
GRAY WATER HOLDING TANK
The gray-water holding tank is located in the underbelly of the vehicle. It is primarily used for the drainage
from the kitchen and bath sinks and the shower. P-TRAPS Each of the sink drains and the shower drain has a
water trap (P-trap) to prevent holding-tank odors from
entering the vehicle. These traps must have water in
them to trap odors. When the vehicle is in motion, the
water may splash out of the sink and shower drains.
When the vehicle is stored, the water may evaporate
from these traps allowing odors to enter the vehicle. If
this occurs, run water from the faucet into the drain,
allowing water to fill the traps again.
WASTEWATER DISPOSAL
Both of the holding tanks terminate in a valve
arrangement that permits draining each tank separately or together. It is recommended to drain the black water
tank first before draining the gray water tank. This procedure permits the water from the gray tank to wash the
black-water residue from the drain lines.
The valves that open to release the water are called gate valves. The blade that closed the opening in the sewer
drainpipes is connected to the T-handle to release contents of the tank(s) when pulled. The sewer line must be
securely capped during self-containment use to prevent leakage of waste materials. Do not pull the holding tank
gate valve “open” when the protective cap is installed on the pipe.
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