SECTION 7 -
PLUMBING
7-14
WATER HEATER BYPASS AND
ANTIFREEZE SIPHON VALVES
–If Equipped
Your motorhome may be equipped with a
Water Heater Bypass valve and an Antifreeze
Siphon (Winterization) valve for winterizing
waterlines using RV antifreeze.
Turn the handle as shown to either bypass or
flow mode.
Refer to the “Water System Drain Valve
Locations” chart at the end of this section for
locations on your model.
WINTERIZING PROCEDURE
You can winterize the water and plumbing
system of your motorhome using one of the
following 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 Motorhome.
If the motorhome is
not level, there may be “low points” in
waterlines that can trap water in the lines and
prevent it from draining properly.
2.
Drain Fresh Water Tank and Waterlines.
Open all waterline 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.
Drain Exterior Shower/Wash Station.
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.
Water Tank Drain Valve
-Typical installation shown
Normal
Flow
By-Pass
Mode
CAUTION
Leave bypass valve handle in NORMAL
FLOW position if draining water and
blowing out waterlines. Place in BYPASS
position ONLY when using antifreeze
solution in waterlines.
