SeaLand 8700 Series MasterFlush Toilet Operation Manual - Manual (Page 9)

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7.1 Cleaning the toilet
To maintain the toilet’s original, lustrous appearance, use SeaLand ® Toilet Bowl Cleaner or other
non-abrasive bathroom and toilet bowl cleaners. Please follow label directions.
7.2 Routine maintenance
MONTHLY
1 . Inspect toilet, plumbing, and plumbing connections, wires, and wire connections .
2 . Open and close all plumbing valves, including seacocks .
3 . Check in-line water filters and vented loops for blockage
YEARLY
Check water valve filter. Also check water valve filter if water flow into toilet becomes insufficient.
7.3 During extended periods of non-use
The macerator toilet and sanitation hoses should be protected if toilet will not be needed for an
extended period of time (more than two weeks, especially in hot weather) .
1. Flush toilet in “Normal” mode and add 4 oz. (118 ml) of liquid biodegradable laundry detergent
(should NOT contain bleach or environmentally harmful substances) . Note: If using sea water for
flushing, shut off power to sea water pump and add fresh water by pouring directly into the bowl
during the flush cycle.
2 . Flush toilet at least five times .
3 . Turn off water supply to toilet .
4. Flush the toilet without water. Repeat three times. (This procedure will minimize any remaining
water in the macerator pump .)
5 . Turn off power to the toilet .
If system will be subjected to freezing temperatures, please follow above procedure, and then
winterize system as described below .
7 Maintenance and winterizing
Caution
To avoid damaging internal seals, do not clean toilet with abrasive cleaners, caustic
chemicals, or lubricants and cleaners that contain alcohols or petroleum distillates .
PRESSURIZED FRESH WATER SYSTEM
1. Drain potable water tank and empty holding tank.
2 . Add freshwater antifreeze to potable water tank .
3 . Flush potable water antifreeze and water mixture through toilet(s) and into entire system,
including the waste holding tank, diverter valve connections, discharge pumps, etc . Turn off
power to toilet .
Each installation is different, so amounts may vary. User discretion is required to assure
adequate protection.
7.4 Winterizing
At the end of each season, the SeaLand macerator toilet should be winterized for storage by using
potable water-safe antifreeze (if boat or vehicle will be exposed to freezing temperatures) .
Caution
Never use automotive-type antifreeze in freshwater systems .
Note
Use nontoxic antifreeze designated for potable water systems. (See boat or vehicle
owner’s manual .)
Dometic 8700 Series MasterFlush Toilet Maintenance, Winterizing