Winnebago Suncruiser Owner's Manual page 96

SECTION 7 –
PLUMBING
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. Drain Optional Appliances. At this time, if
your coach is equipped with an optional
refrigerator ice maker, dishwasher, 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)
8a. 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)
CAUTION
Hot water can escape from tank causing
injury. Operate relief valve or remove
drain plug only when the tank water is
cold.
• Also, open the Pressure-Temperature Relief
valve to prevent air locking while draining.
7-14
Pressure-Temperature Relief Valve
(Lift handle only when water heater is cold)
Drain Water Heater (Tankless)
8b. Turn off the Water Heater Power switch
before draining the water heater tank to avoid
damage to the heating element.
• Open one faucet at a time using compressed
air to purge the system of all water.
• Once purged, open the Pressure Temperature
Relief Valve and leave in the open position.
Pressure-Temperature Relief Valve
(Lift handle only when water heater is cold)
9. 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
®
or Itasca dealer.