Water Heater Bypass Valve; Winterizing Procedures - Winnebago 2011 sunova Operator's Manual

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Winterization Valve
(Typical)
WATER HEATER BYPASS
VALVE
Your coach may be equipped with a water
heater bypass valve for easier winterization of
waterlines using RV antifreeze. See table at the
end of this section for valve location.
Turn the handle as shown to either bypass or
flow through the water heater.
FLOW position if draining water and blowing
Siphon
out waterlines. Place in BYPASS position ONLY
Tube
when using antifreeze solution in waterlines.

WINTERIZING PROCEDURES

Winterization
system of your coach using one of the following
Valve
two methods – 1) Blow out waterlines using
compressed air or – 2) Fill waterlines with RV
water system antifreeze.
Method 1 – Blow Out Procedure
(Drain and purge waterlines using
compressed air)
1. Level the Motor Home. If the coach is not
2. Drain Fresh Water Tank and Waterlines.
3. Drain Exterior Shower/Wash Station.
Normal
Flow
Leave bypass valve handle in NORMAL
You can winterize the water and plumbing
level, there may be "low points" in waterlines
that can trap water in the lines and prevent it
from draining properly.
Open all waterline drain valves and drain
fresh water tank. (See "Water System Drain
Valve Locations" chart at end of this section
for locations of drain valves on your model).
Open exterior shower knobs and lay shower
head on ground as shown to drain any water
left in the shower line. Also place the tip of
your finger into the city water inlet and gently
press the backflow valve "button" in the
center of the inlet to drain any water trapped in
the inlet line.
SECTION 7 –
PLUMBING
By-Pass
Mode
7-9

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