SeaLand TankWatch 1 Level Monitoring System User Manual
Do-it-yourself installation instructions
DO-IT-YOURSELF
INSTALLATION INSTRUCTIONS
The TankWatch Level Monitor System
operates on 12 VDC or 24 VDC in a sewage
holding tank, and signals 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.
Locate Switch Assembly into the 1 1/4-in. hole
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
Switch Assembly at this time.
Select a location for your Indicator Assembly.
Drill a 1-in. (25mm) dia. hole to accommodate
the LED wires.
INDICATOR
ASSEMBLY
Plenty of capacity...
all is well.
MOUNTING TEMPLATE FOR
TANKWATCH PANEL
Drill 1-in.
(25mm) hole
LEVEL MONITOR SYSTEM
HOW IT WORKS...