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Level-Eye

®

 Installation

The Level-Eye® installation should be performed before the filling 

process. Only install the Level-Eye® head & wand onto an empty tank.

1.  IMPORTANT!

 Verify all the tank contents are removed and the tank 

is at atmospheric pressure. 

2.  Verify the wand and sealing nut are the correct sizes for the 

targeted tank model.

3.  Verify that the O-ring Seal is in place on the sealing nut.
4.  Remove the old float rod from the knuckle on top of the tank.
5.  Remove the sealing nut from the Level-Eye wand, thread the nut 

into the tank knuckle, and wrench-tighten the nut. 

(NOTE: DO NOT 

over-tighten or damage may occur.)

6.  Guide the wand through the sealing nut and wrench-tighten the 

compression fitting. 

(NOTE: DO NOT over-tighten or damage may 

occur.)

7.  Remove the cover from the Level-Eye and insert the provided 

battery. Confirm that the LCD display turns on. 

(NOTE: Because 

the head is not yet connected to the wand, a “no symbol” 

 will 

appear on the right side of the LCD.)

8.  Attach the cover onto the Level-Eye head. Hand-tighten firmly to 

fully engage waterproof seal.

9.  Ensure the O-ring is in place on top of the wand.
10.  Lift up the wingnut on the Level-Eye base to expose Brass 

Connector Jack #1.

11.  Push the Level-Eye head onto the wand firmly until both Brass 

Connection Jacks #1 & #2 are fully engaged with each other. 

(NOTE: 

There should be no gap or obstruction with the connection.)

12.  Hand-tighten the wingnut. 

(NOTE: DO NOT wrench-tighten or 

irreversible damage may occur that is not under warranty!)

13.  Ensure the “no symbol” 

 is no longer displayed on the LCD 

screen. This confirms a proper electronic connection of the Level-

Eye head with the wand.

14.  Proceed to low and high calibrations. (

NOTE: Level-Eye will NOT 

provide accurate readings until the entire low and high calibration 

process is complete. See reverse side for instructions.)

BATTERY PERCENTAGE

Level-Eye® is able to calculate the amount of battery power remaining 

and display it by percentages on the LCD screen at any time.

To check the battery level:

1.  Single press and release the “L” button to view the 

battery percentage remaining. 

NOTE: The display 

will read “bxx%” to indicate the remaining battery 

life (i.e. b54%).

2.  If battery level is less than 10%, a  

 symbol will appear.

U.S. TOLL 

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888-429-5832

www.cyl-tec.com

Level-Eye

®

 User Manual

Sealing Nuts 
(including O-ring)

3/4" UNF  

(Cyl-Tec / TW tanks)

 

7/8" UNF  

(Chart tanks)

Level-Eye

®

 Battery CR2477

LEVEL-EYE® HEAD

LEVEL-EYE® WAND

SPARE PARTS

LCD Display

CylConnect® 

connector

Wingnut

Buttons

Brass Connector 

Jack #1 (inside)

Brass Connector 

Jack #2 (inside)

Compression Fitting

O-ring (Wand)

O-ring Seal 

(Sealing Nut)

Sealing Nut

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