Underground Tank Manhole Riser

Manhole Riser Extension for Underground Tanks and Pump Chambers. 

Increases manhole height in 300mm increments.

$218.00 (incl. GST)

Code Description Diameter(mm) Height(mm)
PMXUT00300RDB Underground Tank Manhole Riser 600 300


Promax Underground tanks are vehicular traffic approved with the correct installation.

We recommend using a registered plumber or drainlayer to install your water tanks, however if you wish to install yourself the below guidelines will be useful.

Click here to download Promax Big Tank Installation Guide PDF.

Click here to download Underground Tank Installation Guide PDF

Click here to view an installation video of a Promax 30000L Water Tank

We cannot answer this. Most councils will need a engineers report on soil conditions which will also recommend the type of system that is required.