My shallow build

[Sherman]

Bought this 2 little fish overflow

 

[Sherman]

Received my 42mm diamond hole saw on 30th Nov 2021

 

[Sherman]

3rd Dec. Today on leave. Finally find time to install the overflow.

First I part the overflow part from the return part

 

[Sherman]

Remove some blurr after parting the overflow assembly

 

[Sherman]

Checked the 42mm diamond hole saw against the template that come with the overflow assembly

 

[Sherman]

First load 42mm diamond hole saw on battery drill

 

[Sherman]

Tank ready to drill bigger hole

 

[Sherman]

The 42mm hole partially drilled

 

[Sherman]

Drilling process continue

 

[Sherman]

Finally 42 mm hole done

 

[Sherman]

The overflow sit nicely in the 42mm hole

 

[Sherman]

Now we check the 27 mm diamond hole saw against the template

 

[Sherman]

Load the 27 mm diamond hole saw on the battery drill

 

[Sherman]

Start drilling the 27 mm hole

 

[Sherman]

Test the return . Sit nicely in the 27 mm hole

 

[Sherman]

Sit tank back on cabinet stand after complete drilling of 42 mm overflow hole and 27 mm return hole

 

[Sherman]

Installed the overflow

 

[Sherman]

another view of installed overflow

 

[Sherman]

Return installed

 

[Sherman]

Another view of installed return