Water Heater Bypass Valve; Winterizing Procedure - Winnebago Chalet Manual

SECTION 7
PLUMBING
WATER HEATER BYPASS
VALVE
Your coach may be equipped with a water
heater bypass valve for easier winterization of
water lines using RV antifreeze. See chart at the
end of this section for valve location.
Turn the handle as shown to either bypass or
flow through the water heater.
Normal
Flow
CAUTION
Leave bypass valve handle in NORMAL
FLOW position if draining water and
blowing out water lines. Place in BYPASS
position ONLY when using antifreeze
solution in water lines.

WINTERIZING PROCEDURE

Blow Out Procedure
1. Level the motor home and drain the entire
plumbing system as described in the
following steps.
2. Open water line drain valves and drain fresh
water tank. (See Water System Drain Valve
Locations chart at the end of this section for
locations of drain valves on your model.)
3. Open the Exterior Wash Station shower knobs
(if equipped) and lay shower head on ground
to drain any water left in the shower line. Also
place the tip of your finger into the city water
7-8
By-Pass
Mode
inlet and gently press the backflow valve
"button" in the center of the inlet to drain any
water trapped in the inlet line.
4. Turn on water pump and open all sink faucets
and shower head knobs. Leave open after
water stops flowing.
5. Press the toilet flush pedal and hold until
water stops flowing in the toilet. Then turn
water pump switch off.
6. At this time, if your coach is equipped with an
optional refrigerator ice maker, dishwasher or
washer/dryer, the water lines for these
appliances must also be drained. Instructions
are included at the end of this section. If not,
proceed to the next step.
7. Turn off the water heater power switch before
draining the water heater tank to avoid
damage to the heating element. Drain the
water heater by removing the plug from the
base of the water heater tank, accessible from
the outside of the coach. (Requires socket and
ratchet.)
Water Heater Drain Plug
Remove with socket.
Also open the Pressure-Temperature relief
valve at the top right portion of the tank to
prevent air locking in the tank while draining.
Lift handle only when water heater is cold
D-Series Class-A