Polylok Complete 20" Riser Kit (14" Tall)

Part Number

The Polylok 20" riser kit comes complete with everything needed to install a septic tank riser system in your application. This package gives you approximately 14" in height. Additional 20" Polylok risers can be purchased and stacked on to this kit. 


  • Polylok 20"/24" Riser Adapter Ring (PN: 3009-AR)
  • Polylok 20" x 12" Riser (PN: 3009-R12)
  • Polylok 20" Riser Cover (PN: 3009-RC)
  • Polylok 20" Riser Safety Screen (PM: 3009-SS)
  • Polylok Adapter Ring Installation Anchor Kit (PN: 3009-KIT)
  • #10x1-1/2” stainless steel square drive screws

Optional 20"x12", 20"x6", 20"x3", and 20"x2" risers are available for this kit.


Installation Instructions:

1. Locate adapter ring over access opening on top of tank
2. Using a 1/4" masonry bit, drill 8 holes 1-1/4" deep on top of tank
3. Clean under surface of adapter ring apply foam gasket or butyl
4. Position adapter ring over opening, using 1/4" anchors, tap anchors into drilled holes and tighten with wrench
5. Position appropriate riser and or cover and screw onto the adapter ring to provide a watertight connection

Note: These items should be installed by a professional septic tank installer or pumper.  These are not intended to be installed by a homeowner.