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This procedure is also recommended before
long periods of storage, such as over winter.
Models with City Water Tank Fill
The fresh water tank must be filled through
the city water connection in the water center.
These models require temporarily connecting
an external cartridge-type water filter assembly
in-line between the city water hose and the city
water fill to add disinfecting solution to the tank.
These filters are commonly available at RV
supply stores.
NOTE: If you do not have an in-line cartridge
filter, see City Water Hose Disinfection
following this procedure for an alternate
method of adding bleach solution to your
tank.
1. Remove the filter cartridge and pour 1/2 cup
of household chlorine bleach (sodium
hypochlorite solution) for each 30 gallons of
tank capacity into the empty filter canister,
then screw the canister back onto the filter
base.
WARNING
Chlorine is poisonous. Do not misuse.
Recap bottle and clean all utensils after
use.
This solution will result in a residual chlorine
concentration of approximately 50 ppm in the
water system. (If a 100 ppm concentration is
desired as discussed in step 3, use 1 cup of
household bleach for each 30 gallons of tank
capacity.)
The bleach will be drawn into the tank when
the city water is turned on and the Fresh
Water Valve is turned to Tank Fill position.
2. Fill the tank completely, then open each faucet
in the coach and run the water until a distinct
odor of chlorine can be detected in the water
discharged. Do not forget the hot water
faucets.
3. Let the system stand at least 4 hours when
disinfecting with 50 ppm residual chlorine. (If
a shorter time period is desired, then a 100
ppm chlorine concentration should be
allowed to stand in the system for at least 1
hour.)
4. Drain the fresh water tank.
5. Install the filter cartridge into the filter
canister, then refill the tank with fresh water.
6. Open each faucet again and run fresh water to
flush chlorinated water from the lines. Run the
water until there is no odor of chlorine
detected in the water discharged. Do not
forget the hot water faucets.
(You may need to leave a hot water faucet
open for some time to flush the water heater
with clean water. You may also want to turn
the water heater off until this is done to avoid
wasting energy trying to heat "unused"
water.)
7. Water system is now disinfected.
An alternate way is to connect a city water hose
to your coach and pour the bleach into the other
end of the hose using a funnel. Hold the hose
SECTION 7 –
PLUMBING
7-5
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