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8.
Open the hot water line faucets (kitchen/bath sinks, shower and outside shower (if
equipped) until RV antifreeze begins to flow continuously.
9.
Close the hot water line faucets and repeat with the cold water line faucets (kitchen/
bath sinks, shower and outside shower). Flush the toilet several times until you see
antifreeze in the bowl.
When you are finished adding RV antifreeze
10. Turn the water pump OFF with the switch on the utility center panel.
11. Colored valves should remain in the WINTERIZE positions.
12. Remove hose and container from the City Water Fill inlet. Put cap back on the City
Water Fill inlet. Leave the valves in WINTERIZE position.
13. Pour 1 cup of RV antifreeze into any/all drain P traps (sinks and bathtub).
14. Wipe any RV antifreeze out of the sinks, shower (or tub), toilet, washing machine tub,
and dishwasher tub with a soft, dry cloth.
Winterize the Macerator System (if so equipped)
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.
Ensure all tanks are empty.
1.
Pour RV antifreeze into the toilet and down into the black water tank.
™ NOTE: Use a container for capturing system fluid.
2.
Turn the macerator pump ON.
3.
Run the pump until antifreeze begins to discharge from the dump connector attached
to the flex hose.
4.
Turn the macerator pump OFF.
Drain the flex hose by holding it at a sloped angle to drain excess water and return the
5.
hose to the storage location.
6.
As an added safety measure, open the Macerator Bypass valve and let it drain. The
bypass valve may be either at the utility center or under the RV.
De-winterize the macerator system: Emptying the black tanks in the spring will flush
antifreeze out of the macerator system.
™ NOTE: The black tank flush should be winterized using the air method. See
Winterize the Black Tank Flush.
Winterize with Air Pressure
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.
Section 8: Plumbing System
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