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Section 8: Plumbing System
1.
Turn water heater power OFF. Turn water heater gas valve (if so equipped) OFF (out-
side of the RV).
Water heater bypass valves should be set to BYPASS. Refer to Water Heater Bypass
2.
Section. Water is prevented from entering the water heater.
3.
Level the RV and drain the fresh water plumbing system. See Draining the Fresh Water
System.
4.
Water heater should be empty after performing Step 2. Water heater bypass valves set
to BYPASS.
Cartridge water filter (if so equipped) should be removed and replaced with the bypass
5.
hose included with your RV.
6.
Make sure the "fresh water tank drain" and "low point drains" are closed.
Close the fresh water tank shutoff Valve E (if equipped). Valve should be located in the
7.
vicinity of the water pump. Open siphon valve (Valve D) at the water pump with the
clear hose attached. Valve handle points toward the clear hose and insert the opposite
end of the clear hose into a container of RV antifreeze solution. Valve should be located
in the vicinity of the water pump. See Water Heater Bypass section.
8.
Turn the water pump ON. Antifreeze will be drawn into the water lines.
NOTE: In order to create a suction all low point drains must be
closed.
9.
Open the hot water faucets, including outside shower (if so equipped) until RV anti-
freeze begins to flow continuously.
10. Close the hot water line faucets and outside shower and repeat with the cold water line
faucets. Hold open the lever on the toilet until antifreeze runs into the bowl.
Water can accumulate in the flexible hose and dump connector of the macera-
tor system. When winterizing the RV, antifreeze must be added to the macera-
tor system.
Winterizing the Macerator System (if so equipped)
1.
Ensure all tanks are empty.
2.
Pour RV antifreeze into the empty black water tank.
(Be sure to have a container available for capturing system fluid)
3.
Turn the macerator pump ON.
4.
Run the pump until antifreeze begins to discharge from the dump connector attached
to the flex hose.
5.
Turn the macerator pump OFF.
Drain the flex hose by holding it at a sloped angle to remove excess water; return the
6.
hose to the storage location.
7.
As an added safety measure, drain the macerator bypass valve.
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