Disinfecting Your Fresh Water System - Winnebago Sunstar 26HE User Manual

SECTION 7 -
PLUMBING
DISINFECTING YOUR FRESH
WATER SYSTEM
(As required by NFPA
Recreational Vehicles)
To ensure complete disinfection of the potable
water system, it is recommended that the
following procedure be followed on a new
system, one that has not been used for a period of
time, or one that could have become
contaminated.
This procedure is also recommended before
long periods of storage, such as over winter.
Disinfecting with City Water Tank
Fill
The fresh water tank must be filled through
the City Water Connection ("Fresh Water Inlet")
located in the water service center.
Fresh (City) Water Connection
"Fresh Water Inlet"
(Located in the water service center)
This procedure requires 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
most 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.
7-4
®
1192 Standard on
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.
Fresh Water Valve
(Located in water service center)
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