Use and specifications
Material: one-piece linear high density polyethylene (LLDPE) extension well for underground tanks, with male threaded connector on the base to screw to the tank and female threaded connector on the upper part to fasten the screw-in plug already supplied with the tank.
Function: extension to be positioned in the holes present on the tank when it is necessary to bury it below ground level (see Rototec underground installation methods). The threaded extensions with the suffix RIM, fitted with an adapter, are only for installation on the reinforced range.
