SECTION 7 –
PLUMBING
7-20
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 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.
Remove Water Filter
4. If Equipped with Cold Water Filter:
Remove the filter canister from the Cold
Water Filtration System under the galley sink
and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the
Antifreeze Fill Procedure.
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 coach
(requires socket and ratchet).
• Also, open the Pressure-Temperature Relief
valve to prevent air locking while draining.
• Reinstall the water heater drain plug and close
the P-T Relief Valve when drained.
Drain Water Heater (Tankless)
–If Equipped
• Turn the Water Heater Power Switch (located
behind water heater access panel on exterior
of coach) to the OFF position and allow hot
water to cool down.
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)
Pressure-Temperature Relief Valve
(Lift handle only when water heater is cold)
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