WATER SYSTEM
CUSTOMER CARE | 877.855.2867
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De-winterizing Your Motorhome
1. Drain the holding tanks (fresh water, waste water, and
sewage).
2. Attach a garden hose to the fresh water ll, and ll the
fresh water tank.
3. Turn ON the water pump switch and open the cold
water side of all faucets and shower xtures. Shut OFF
the faucet and shower xtures aer the water runs clear
(no pink residue), and repeat for the hot water side.
4. Flush the toilet until clear water runs into bowl.
5. Dump the holding tanks again.
6. Sanitize the water system (refer to Sanitizing the Fresh
Water System).
7. If a potable (drinking) water lter has been installed:
drain the water lines, remove the assembly, clean and
reinstall using a new potable (drinking) water lter.
8. When ready to use the water heater, open the bypass
valve allow water to enter and ll the water heater tank
(remember to shut OFF the water heater bypass mixer
valve, if equipped).
NOTE: For information concerning your particular
motorhome’s water system and installed equipment,
contact TMC Customer Care or refer to the TMC
Water System Guide, available from the TMC web-
site.
Cold Weather Use of the Water System
Many owners choose to use their motorhomes throughout
the entire year or encounter freezing temperatures during
travel. Due to the risk of severe damage, prolonged use of
the water system in severely cold weather is not recom-
mended. However, winter traveling can be safe for your
motorhome’s water system if you follow a few precautions.
• To avoid damage caused by freezing, the water system
and storage tanks of your motorhome are dependent on
the ambient temperature of the motorhome remaining
above 32° F (0° C). When fully functioning and the
temperature is set properly, the furnace will provide
enough heat to protect the water system. In severe cold
however, it is wise to monitor the water temperature in
the tank, and take appropriate steps to drain and win-
terize if necessary. In weather below freezing, it may
also be necessary to open the lower cabinet doors at
night in both the bath and kitchen areas to keep warmer
air circulating around the water pipes, drain pipes, and
xtures. Always ensure you have an adequate supply of
LP fuel to keep the furnace operational and regularly
test your LP/CO detector to ensure breathable air
inside the motorhome remains safe.
• If you are going to leave the motorhome unheated for
any length of time in severe cold conditions, you must
drain all water from the system. is includes draining
the water heater and water supply lines. Also protect
drain P-traps with antifreeze. Refer to the system win-
terizing procedures outlined in this manual.
• In cold weather conditions, it may work best to carry
cooking and drinking water with you in plastic bot-
tles or jugs instead of using the on-board fresh water
system. If you decide to use bottled water, be cautious
of water being placed down drains or being ushed
through the toilet. Water that remains in P-traps and
holding tanks is susceptible to freezing. If available,
use campground bathhouse facilities.
HOLDING TANK HEATERS (IF EQUIPPED)
Some TMC motorhomes are equipped with water holding
tank heaters. ese devices are heat-pads installed under-
neath the tanks and are manually activated by a switch,
usually located on the main monitor panel or multiplex
main touch-panel. Activate holding tank heaters whenever
encountering sub-freezing temperatures. Other TMC
motorhomes may be designed with furnace heating duct-
ing directed to the water storage bays, which is designed
to eectively prevent freeze damage to the water storage
tanks. Ask your dealer if your motorhome is equipped with
supplemental water storage tank freeze protection.
NOTE: For additional information on your motor-
home’s water system, refer to the Winterizing Quick
Start Guide and the TMC Water Systems Guide
available through the TMC Owners Resource on-line
document service.
Temperatures below freezing (32°F; 0°C) can damage
water system components. Damage caused by freezing
temperatures may not be covered by warranties.
Always ensure the water system of your motorhome is
protected from freeze damage.
NOTICENOTICE
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