SeaLand 548+ VacuFlush Toilets User Manual
Page 9

9
VacuFlush Pedal-Flush Toilet
Maintenance/Winterizing/Service
7.4
During extended periods of non-use
Sanitation hoses should be cleared if toilet will not be needed for an extended period of time (more
than two weeks) .
1 . Fill toilet bowl with water and add 4 oz . (120 ml) of liquid biodegradable laundry detergent
(should NOT contain bleach) .
2 . Flush toilet, holding pedal down for about two minutes . Close flush ball .
3 . Turn off water supply to toilet .
4 . Flush the toilet without water, allowing the vacuum pump to shut off after the flush . Repeat three
times . (This procedure will minimize any remaining water in the sanitation hoses .)
5 . Turn off power to the vacuum pump .
6 . Completely pump out holding tank .
If system will be subjected to freezing temperatures, please follow above procedure, then winterize
system as described in this manual .
TURN OFF ELECTRICITY AND WATER TO TOILET SYSTEM IF IDLE FOR LONG TIME
If people will not be using the boat for a long time (vacation, maintenance, off-season, etc .), or in the
event of a long electrical power interruption, electrical power and water supply to the toilet system
should be shut off .
7.5
Clearing blockage in toilet base
1 . Turn off water to the toilet .
2 . Open the flush ball .
3 . Pull the foreign material from the 1-inch diameter orifice at the bottom of the base or, using a
small diameter blunt rod, attempt to push the blockage through the orifice .
7.6 Winterizing
At the end of each season, the VacuFlush toilet system should be winterized for storage . The
following procedure should be used:
1 . Pump out holding tank .
2 . Thoroughly flush system with fresh water .
3 . Drain freshwater tank .
4 . Add freshwater antifreeze to freshwater tank .
5 . Flush freshwater water antifreeze and water mixture through toilet and into the waste holding
tank . Each installation is different, so amounts may vary . User discretion is required to assure
adequate protection .
6 . Empty holding tank .
Note
Use nontoxic antifreeze designated for potable water systems . (See boat or vehicle
owner’s manual .)
Caution
Never use automotive-type antifreeze in freshwater systems .