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Plumbing Systems
BLACK/GREY WATER SYSTEM
Water from the sinks and shower flow into the grey water
(or waste water) holding tank. Water from the toilet will flow
into the sewage (or black water) holding tank. The weight of
the holding tank contents is not calculated into the RV cargo
carrying capacity (this extra weight would reduce your avail-
able cargo capacity). Traveling with full holding tank(s) could
possibly cause you to exceed the individual tire ratings and/or
the GAWR or GVWR. Potential damage to suspension com-
ponents, such as springs, tires and axles, could result.
If your RV holding tank(s) are located behind the axles, the
weight of the full tank(s) will reduce the hitch weight. Trailer
sway and other handling difficulties can be the result of the
hitch weight being too light. Dump the grey and black water
holding tanks before traveling to avoid carrying unnecessary
weight. If you are dry camping and cannot immediately empty
your holding tanks, reduce your vehicle speed until you reach
a dumping station.
Before using the RV or after dumping the grey and black wa-
ter holding tanks, always add the proper amount of deodorant
to the black water tank to prevent malodors and help break
down holding tank contents (unless winterizing). Follow the
deodorant bottle or package instructions. Driving to a dispos-
al site will normally loosen any accumulated waste debris or
solids from the sides of the holding tanks.
DRAIN PIPES WITH P-TRAPS
The drain pipes may be equipped with a “P-trap” installed to
help prevent odors from escaping into the RV. During travel,
water from the P-traps may spill and permit odors into the RV.
By adding water and using a RV approved deodorizing agent
you will dissolve the contents faster and will keep the drain
lines and tanks clean and free flowing. These chemicals are
available at an RV supply store or your dealer.
DRAIN PIPES WITH DRY SEALING VALVE
Your RV may be equipped with a dry sealing valve that pre-
vents the escape of odors from your waste system and elimi-
nates the need for P-traps. Should the RV drain piping system
become clogged and a mechanical cleanout tool is used to
open the drain pipe, it is important that the dry valve be re-
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