User Manual

9
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 lters and vented loops for blockage
YEARLY
Checkwatervalvelter.Alsocheckwatervalvelterifwaterowintotoiletbecomesinsufcient.
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
ushing,shutoffpowertoseawaterpumpandaddfreshwaterbypouringdirectlyintothebowl
duringtheushcycle.
2. Flush toilet at least ve 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