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INSTALLATION INSTRUCTIONS 

Remove the cover and inspect the 

well, and clean as necessary. 

Fitting tubes are assembled to the 

desired length, and are fitted on the 

rat blocker.

The rat blocker is lowered into the 

well and is inserted into the selec-

ted outlet/inlet until the rat blocker’s 

stopper is in contact with the well’s 

side.

Then turn the mounting pipe

clockwise until desired tension is 

achieved. Removed the alignment 

tube, and the installation is ready 

for a test flush.

For  the  test  flush,  use  6-7  pieces 

of toilet paper and 2-3 toilet flushes 

from the toilet – you should be able 

to  visually  confirm  that  the  paper 

and water is able to pass the rat 

blocker unhindered.

After installing the rat blocker, the enclosed sign is mounted at the top of 

the well.

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