SeaLand Computer Monitor TankWatch Level Monitor System User Guide

DO-IT-YOURSELF  
INSTALLATION INSTRUCTIONS  
LEVEL MONITOR SYSTEM  
Your TankWatch Level Monitor System contains these items:  
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.  
HOW IT WORKS...  
SWITCH ASSEMBLY  
INDICATOR  
ASSEMBLY  
Plenty of capacity...  
all is well.  
Red light glows...  
nearly full.  
2-No. 4x1/2”  
MOUNTING SCREWS  
4-No. 8x3/4”  
GASKET  
MOUNTING SCREWS  
CAUTION! DO NOT USE IN FUEL TANK!  
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 SwitchAssembly.  
1
2
Drill mounting holes using 1/8-in.  
(3mm) dia. drill bit. DO NOT mount  
SwitchAssembly at this time.  
Select a location for your IndicatorAssembly. Drill  
a 1-in. (25mm) dia. hole to accommodate the LED  
wires.  
4
3
MOUNTING TEMPLATE FOR  
TANKWATCH PANEL  
Drill 1-in.  
(25mm) hole  
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