9
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.
RAW WATER SYSTEM
Parts required: • Hose that ts raw water pump, about 3 ft. (1 m) long
• one container
1. Close intake and discharge seacocks. See Hazard of Flooding risks in this manual.
2. Turn off power to toilet.
3. Disconnect and drain intake hose and in-line lters.
4. Connect hose to raw water pump intake.
5. Place hose connected to pump intake into bucket with antifreeze in it.
6. Turn on power to toilet and ush until antifreeze is removed from toilet.
7. Disconnect power to toilet and reconnect all intake and drain hoses.
Dometic 8100 Series MasterFlush Toilet Maintenance, Winterizing