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Section 8: Plumbing System
Winterizing with Antifreeze Method
Requires non-toxic RV antifreeze in the water lines and does not require any special tools.
Use ONLY RV ANTIFREEZE in your fresh water system for freeze protection. No other
product or commodity should be used.
Automotive antifreeze (ethylene glycol) and windshield washer antifreeze
(methanol) are poisonous. Never use these products in your fresh water sys-
tem. These products are harmful and may be fatal if swallowed.
NOTE: Antifreeze should never enter the water heater, RV water filter,
refrigerator, refrigerator water filter, or fresh water tank.
1.
Turn water heater power OFF. Turn water heater gas valve (if so equipped) OFF (out-
side of the RV).
2.
Water heater bypass valves should be set to BYPASS. Refer to Water Heater Bypass
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.
5.
Cartridge water filter (if so equipped) should be removed and replaced with the bypass
hose included with your RV.
6.
Make sure the "fresh water tank drain" and "low point drains" are closed.
7.
Close the fresh water tank shutoff Valve E (if equipped). Valve should be located in the
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.
124
Maintenance Record
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