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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 . 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 .
5. Cartridge water lter (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 shuto Valve E. Valve should be located near 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 near the water
pump.
8. Turn the water pump ON. Antifreeze will be drawn into the water lines.
9. Open the hot water faucets, including outside shower (if so equipped) until RV anti-
freeze begins to ow 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.
1. Turn the water pump OFF. Turn siphon valve OFF. Remove the clear hose from the
container of RV antifreeze. Leave the water tank shuto valve (Valve E) closed to keep
antifreeze out of the fresh water tank.
2. Pour 1 cup of RV antifreeze into the sink drain P-trap.
3. To prevent staining, wipe the RV antifreeze out of the sinks, shower (or tub) and toilet
using a soft, dry cloth.
In the spring when ushing antifreeze out of the water lines, make sure to turn the water tank
shuto valve back ON. After ushing out water lines the water lter should be re-installed.
This method uses compressed air to blow out any remaining water in the system after ini-
tially draining water using drain valves. Tools required would be an air compressor and a
blowout plug.
Water can accumulate in the exible hose and dump connector of the macera-
tor system. When winterizing the RV, antifreeze must be added to the macera-
tor system.
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