Lagoon 421 Owner's Manual page 76

BLACK WATER CIRCUIT
Passageway - To port
PLUMBING
74
LAGOON 421
HEADS WATER INTAKE
WC - To port WC - To starboard
Lay out of:
Passageway - To starboard
DRAINAGE TO SEA
WC - To port WC - To starboard
Lay out of: Lay out of:
Aft cabin Aft cabin
Lay out of:
DECK DRAINAGE
To port
WC - QUIET FLUSH
1 - Filter
Control
2 - WC pump
Sewage tank
Capacity: 80 l
To starboard