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Manhole Chamber Base 270mm 5 Inlets Flexible
5 Inlet chamber manhole base in plastic Underground 270mm deep, 475mm Diameter Chamber Base - D900 5x110mm flexible inlets The MAC has flexible connections for all inlets allowing a 10° movement in any direction. This is of great assistance to the installer where the connecting pipes are not perfectly aligned with the MAC inlets. In many instances, it will eliminate the need to install an extra bend and provide a saving on the cost of the installation
Supplied with 4 socket plugs
(Allows for 0-20degree of movement)
See drawing for outer sizes

110mm inlets x 5 chamber base starter unit
Save time and money with a pre-made plastic manhole base. This is a chamber base unit with 5 inlets is supplied with 4 plugs so you can use the best inlet to cope with the flow and angle of your pipe works.
110mm standard plastic drainage pipe size.
There are also optional risers that can be stacked on top allowing the base to be installed deeper in the ground.

● FloPlast’s innovative design for the MAC brings unrivalled flexibility to the underground drainage market.
● In addition, the variety of inlet combinations available on the FloPlast Mini Access Chamber and the choice of two-chamber risers, 100mm and 200mm, provides installers with a significant advance in the ease with which they can plan and install their drainage system. The MAC base is designed to facilitate the stacking of bases on top of one another to give a space-saving storage solution for the merchant stockist.
● The plastic cover and frame can take loadings up to a maximum of 35kN. (Please ensure Sealing Rings are used in conjunction with each riser section as supplied).








