WATER SYSTEMS — 6
134
20 08 CONTESSA
NOTE:
Contact Shurflo at 1-800-3218 or
www.shurflo.com for replacement filters
and o-rings.
Winterization:
Remove lter bowl and element from
housing.
Remove housing by disconnecting water
lines on both ends and remove screws
retaining housing to the bracket.
Install a diverter hose in place of housing.
Winterize the motorhome as outlined in
Section 6 of this manual.
WATER SYSTEMS
Troubleshooting
Water system problems are generally caused
by improper winterizing, poor maintenance,
road vibration and campsite water pressure
variations. Check all plumbing connections for
leaks at least once a year. If the water pump runs
when a faucet is not open, check for a water
leak. Close drain valves. If the pump continues
to run, take the motorhome to an authorized
dealer for service.
Disinfecting Fresh Water
Disinfecting the water system with household
bleach protects against bacteriological or viral
contamination from common water sources. Read
the following instructions completely before
attempting to disinfect the fresh water system.
When to disinfect the fresh water system:
If the motorhome is new.
If the motorhome has been in storage.
Every three months during use.
To Disinfect the Water System:
1. Remove water lter element and re-
install the lter housing.
2. Drain the fresh water tank. Close drain
when empty.
3. Prepare a disinfecting solution using
one of the following methods:
Combine one gallon of water and ¼
cup of household bleach. Use 1 gallon
of this solution for every 15 gallons of
tank capacity.
Multiply tank capacity (in gallons) by
0.13. The result is the amount (in ounces)
of household bleach to pour into fresh
water tank. These methods will yield a
50 PPM (parts per million) disinfecting
solution in the water system that will act
as a quick-kill dosage for harmful bacteria,
viruses and slime-forming organisms.
Concentrations higher than 50 PPM may
damage the water lines and/or tanks.
4. Pour the solution into the gravity ll
opening.
5. Top off tank with fresh water.
6. Turn on the water pump in the
motorhome.
7. Open each faucet and run water until
you smell a distinct bleach odor.
8. Turn off all faucets and allow the
system to stand for four hours.
9. Drain the fresh water tank of the
mixed solution.
10. Fill the water tank with fresh water.
Thoroughly ush hot and cold lines
with fresh water. Repeat this process
until the chlorine bleach smell is no
longer detected in the water.
11. Install new water lter.
INFORMATION:
Household bleach is 5.25% Sodium
Hypochlorite. Higher concentrations
increase PPM Ratio.
Aqua-Hot:
The Aqua-Hot copper tubing is rated for use
with fresh water and winterizing solutions
only. Periodic ushing with other common
household chemicals, including bleach,
will have little or no effect on the product if
properly rinsed with the fresh water afterwards.
Failure of copper tubing, especially soft or
exible copper, can result if materials other
than water or winterizing solutions are allowed
to reside inside the piping for extended periods
of non-use. The most common cause for failure
is due to an extended exposure to chlorine,
solutions containing chlorine (i.e. bleach) or
hydrochloric acid.
CAUTION:
DO NOT use vinegar to disinfect the
water system. Vinegar will deteriorate
the copper tubing inside the Aqua-Hot
domestic water loop. Thoroughly rinse
chlorine bleach or other concentrated
chlorine bearing chemicals as they
can also cause failure to the Aqua-Hot
domestic water loop (copper tubing).
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