SeaLand TankWatch Level Monitor System Fascicule
DO-IT-YOURSELF
INSTALLATION INSTRUCTIONS
The TankWatch Level Monitor System is
designed to operate on 12 VDC in a sewage
holding tank, and to signal a nearly full tank
condition. This instrument will give years of
reliable service if installed properly.
designed to operate on 12 VDC in a sewage
holding tank, and to signal a nearly full tank
condition. This instrument will give years of
reliable service if installed properly.
CAUTION! DO NOT USE IN FUEL TANK!
Red light glows...
nearly full.
Your TankWatch Level Monitor System contains these items:
SWITCH ASSEMBLY
GASKET
4-No. 8x3/4”
MOUNTING SCREWS
2-No. 4x1/2”
MOUNTING SCREWS
3
2
1
4
Select a location as far as possible away from other
tank fittings. Drill 1 1/4-in. (32mm) dia. hole (hole
saw is best) in tank TOP.
NOTE FOR SAILBOATS: Locate switch on
athwartships centerline of tank to assure accuracy
when heeled.
tank fittings. Drill 1 1/4-in. (32mm) dia. hole (hole
saw is best) in tank TOP.
NOTE FOR SAILBOATS: Locate switch on
athwartships centerline of tank to assure accuracy
when heeled.
Locate Switch Assembly into the 1 1/4-in. hole
using care to stay on center. Mark four mounting
holes. Remove Switch Assembly.
using care to stay on center. Mark four mounting
holes. Remove Switch Assembly.
Drill mounting holes using 1/8-in.
(3mm) dia. drill bit. DO NOT mount
(3mm) dia. drill bit. DO NOT mount
Switch Assembly at this time.
Select a location for your Indicator Assembly. Drill
a 1-in. (25mm) dia. hole to accommodate the LED
a 1-in. (25mm) dia. hole to accommodate the LED
wires.
INDICATOR
ASSEMBLY
ASSEMBLY
Plenty of capacity...
all is well.
MOUNTING TEMPLATE FOR
TANKWATCH PANEL
Drill 1-in.
(25mm) hole
(25mm) hole
LEVEL MONITOR SYSTEM
HOW IT WORKS...