SECTION 7 –
PLUMBING
7-12
into the Fresh Water Inlet and gently press the
backflow valve “button” in the center of the
inlet to drain any water trapped in the city
waterline.
4.
Remove Full-Coach Water Filter.
Remove
the filter canister from the Full-Coach Water
Filtration System in the water service center
and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the Blow-Out
Procedure.
5.
Drain Optional Appliances.
At this time, if
your motorhome is equipped with an optional
refrigerator ice maker or washer/dryer, the
waterlines for these appliances must also be
drained.
(See “Winterizing Optional Appliances” at
the end of this section for further
information.)
If not, proceed to the next numbered step.
Drain Water Heater (with Tank)
–If Equipped
•
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 motorhome. (Requires
socket and ratchet).
• Also, open the Pressure-Temperature Relief
valve at the top right portion of the tank to
prevent air locking in the tank while
draining.
Drain Water Heater (Tankless)
–If Equipped
•
Turn the Water Heater Power Switch (located
behind water heater access panel on exterior
of the motorhome) to the OFF position and
allow hot water to cool down.
Using exterior shower to drain waterline
-Typical View
CAUTION
Hot water can escape from tank causing
injury. Operate relief valve or remove
drain plug only when the tank water is
cold.
Water Heater Drain Plug
(Remove with socket)
• Lift handle straight out to open P-T valve
when water heater is cold.
