Installation - Dometic SeaLand MasterFlush 7120 Installation Manual

Dometic MasterFlush
5

Installation

Note
Determine whether the water supply to the toilet will be fresh water or sea water, above or below the
vessel's water line, and then follow the appropriate instructions for the installation.
5.1 Above water line system layouts
Toilet with direct overboard
5
discharge
WATER LINE
1 in./ 25 mm
or 1.5 in./38 mm
SEACOCK
0.75 in./
19 mm
SEACOCK
Toilet with
6
holding tank
discharge
WATER LINE
1 in./ 25 mm
or 1.5 in./38 mm
SEACOCK
Add vented loop here
if holding tank is
0.75 in./
below water line.*
19 mm
SEACOCK
*
Caution! Hazard of Flooding
All vented loops should be installed a minimum of 8 in./20 cm above water line at full heel.
8
CHECK VALVE is needed
to ensure sea water pump
stays primed between uses
DECK
VENT
FITTING DISCHARGE
DISCHARGE
PUMP
VENT
FILTER
CHECK VALVE is needed
to ensure sea water pump
stays primed between uses
MAKE LOOP
12 in./305 mm
ABOVE FLOOR
1 in./ 25 mm
or 1.5 in./38 mm ID
SANITATION HOSE
0.75 in./ 19 mm ID
SEA WATER LINE
HOLDING TANK
(cut-away view)
0.75 in./ 19 mm ID
SEA WATER LINE
Installation
MACERATOR
TOILET
0.5 in./
13 mm ID
FRESH
WATER
LINE
FROM
FRESH
WATER
SUPPLY
0.5 in./
13 mm ID
FRESH
WATER
LINE
FROM
FRESH
WATER
SUPPLY