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SECTION 7 –
PLUMBING
Latch
Easy Drain Lever
(Located behind water heater access
panel on exterior of coach)
•
Remove the water inlet filter and clean with
clean water, then replace.
5. Open Faucets. Turn on the water pump and
open all sink faucets and shower head knobs.
Leave open after water stops flowing.
6. Drain Toilet. Press the toilet flush pedal (or
electric wall switch, if your coach is equipped
with an electric flush toilet) and hold until
water stops flowing in the toilet. Then turn
water pump switch off.
7. Connect Air Pressure. After water has
stopped draining at all faucets and drain
valves, leave faucets open and connect a
"blow-out" plug to the city water connection
on the coach. Then use a compressed air hose
regulated to 30 psi or less to force air through
the system. A "blow-out" plug can be
purchased at any Winnebago Industries
dealer.
City Water
Connection
Blow-out
Fresh Water
Inlet
7-18
Easy Drain
Lever
®
Air Hose
Plug
NOTICE
Limit air pressure to 30 psi to avoid
damage to equipment.
NOTE: DO NOT burst air into the system. This
can damage the water pump. It is better
to let air in slowly.
8. Let air flow for five minutes until water is
completely drained out of faucets and drain
valves. Then close faucets one at a time.
9. Drain Toilet. Operate and hold toilet flush
lever (or electric wall switch, if your coach is
equipped with an electric flush toilet) until
water is completely drained from toilet.
Tankless Water Heater Only
If your coach is not equipped with a Tankless
Water Heater continue to next numbered step.
•
Turn Winterization Valve 3 from "Normal"
position to "Line Drain" position to blow out
the hot water recirculation line. Leave in this
position until all water has been drained below
the coach.
•
Turn Winterization Valve 3 to "Water
Heater & Line Drain" position to allow all
remaining water to leave the system.
NOTE: See the tankless water heater operator's
manual located in your InfoCase for
additional draining procedures.
10. Turn air pressure off. Disconnect water
purge adapters. Recap the city water inlet to
avoid contamination by dirt or insects.
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