3837 • U3 10/07
5
W
interization
and
S
torage
S
ection
8
Sanitation System
Before performing this procedure on the sanitation system, your boat
should be pulled from the water. Refer to the OEM information for more
information on winterizing the sanitation system.
Refer to Section 4 - Sanitation System for a description of your boat’s
sanitation system.
Standard Sanitation System
1. Empty the waste tanks as described in Section 4 - Emptying the Waste
Tanks. Remove as much of the fresh water used in flushing the tanks as
possible.
You must use a nontoxic, non-alcohol, RV-type (pink) antifreeze in your boat’s
sanitation system. Using the wrong type of antifreeze can damage the sanitation
system. The repair of such damage is not included under the terms of the Marquis
Limited Warranty.
2. Flush 4 gallons of nontoxic recreational vehicle antifreeze through
the toilet and allow it to remain in the waste tanks while the boat is in
storage.
3. When you remove your boat from storage and prepare to use it again:
a. Flush 5 gallons of fresh water through each toilet.
b. Empty the waste tanks as described in Section 4 - Emptying the
Waste Tanks.
c. Charge the waste tanks by adding deodorizer. Use the brand of
deodorizer recommended by your Marquis Dealer.
Overboard Discharge System
1. Empty the waste tanks as described in Section 4 - Emptying the Waste
Tanks. Remove as much of the fresh water used in flushing the tanks as
possible.
2. Under the boat, place a large bucket under the overboard discharge
fitting to collect antifreeze pumped out in this procedure. Refer to
Section 9 - Thru-Hull Fittings for the exact location of the overboard
discharge fitting.
3. Open the overboard discharge seacock.
4. Turn the waste discharge valve to open.
5. Verify DC Power is available.
6. On the DC Control Panel - Engine Room switch the Waste Pump circuit
breaker ON.
7. Turn the overboard discharge pump switch ON.
8 . When a steady stream of antifreeze flows from the overboard discharge
fitting, turn the overboard discharge pump switch OFF.
9. Close the overboard discharge seacock.
10. Switch the Waste Pump circuit breaker OFF.
Open Closed
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