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SECTION 7
PLUMBING
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.
1. Remove the filter cartridge and pour 1/2 cup
of household bleach (sodium hypochlorite
solution) for each 30 gallons of tank capacity
into the empty filter canister and screw the
canister back onto the filter base.
This solution will result in a residual chlorine
concentration of approximately 50 ppm in the
water system. (If a 100 ppm concentration is
required 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.
NOTE: Alternate Method – If you do not have
an in-line cartridge filter, bleach can be
added using your water hose. This
method has the additional benefit of
disinfecting the city water hose at the
same time.
-Connect the water hose to the city fill
connection on your coach. Do not
connect to city water faucet yet.
-Use a funnel to pour the required
amount of bleach into the open end of the
hose. Hold the hose up to allow enough
room for the bleach to flow into the hose.
-Connect the hose to the city water faucet
and turn on so the water will force the
bleach into the tank and continue filling
the tank with water.
7-4
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. (It may take
some time to flush the water heater with
clean water.)
7. Water system disinfection procedure is done.
WARNING
Chlorine is poisonous. Recap bottle and
clean all utensils after use.
Continuous Tank Disinfection
(Superchlorination)
Some RVers like to ensure continuous
sanitation of their fresh water tank by
'superchlorination'– maintaining an effective
low level of chlorine in the tank at all times. The
chlorine is then removed from drinking water by
the Filtered Water Faucet.
Add 1 teaspoon of chlorine bleach (sodium
hypochlorite) to your tank for each 10 gallons of
tank capacity. When you fill the tank, this will
result in a 6.7 ppm level of chlorine, which
should kill harmful bacteria and slime-forming
organisms.
Super chlorination does not affect city water
usage– only the water tank.
D-Series Class-A
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