Marquis 420 Sport Coupe Owner's Manual page 116

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interization and
Grey Water holding System
Standard Grey Water Tank System
You must use a nontoxic, non-alcohol, RV-type (pink) antifreeze in your boat's grey
water holding system. Using the wrong type of antifreeze can damage the grey water
holding system. The repair of such damage is not included under the terms of the
Marquis Limited Warranty.
Overboard Discharge System
You must use a nontoxic, non-alcohol, RV-type (pink) antifreeze in your boat's grey
water holding system. Using the wrong type of antifreeze can damage the grey water
holding system. The repair of such damage is not included under the terms of the
Marquis Limited Warranty.
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torage
11. 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.
Before performing this procedure on the optional grey water holding
system, your boat should be pulled from the water. Winterize the grey
water holding system only after you have winterized the fresh water
system.
There are two types of grey water holding systems: the standard
system and the overboard discharge system.
1. Empty the grey water tank as described in Section 4 - Grey Water
Holding System. Remove as much of the fresh water used in
flushing the tank as possible.
2. On the DC Control Panel - Engine Room, make sure the Auto
Sump circuit breaker is ON.
3. Pour 2 gallons of nontoxic recreational vehicle antifreeze through
each shower and sink drain.
4. When you remove your boat from storage and prepare to use it
again:
a. Pour 5 gallons of fresh water through each shower and sink
drain.
b. Empty the grey water tank as described in Section 4 - Grey
Water Holding System.
c. Charge the grey water tank by adding deodorizer. Use the brand
of deodorizer recommended by your Marquis Dealer.
1. On the DC Control Panel - Engine Room, make sure the Auto
Sump circuit breaker is ON.
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ection
3837 • U3 10/07