Adapter Ring Kit

This kit will allow you to secure an adapter ring to an existing concrete tank to enable to addition of a Polylok riser or corrugated pipe to the tank. When installed properly, this will enable you to create a watertight connection. The kit contains 8 anchor bolts, 1 drill bit and a closed cell foam gasket.


  • Complete kit
  • Easy to install
  • No messy glue or difficult installation steps
    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



Part Number

  • 3009-KIT (Adapter Ring Installation Kit)

Similar Products

Butyl Sealants

Polylok';s joint sealant system is custom engineered to meet the most exacting standards of the pre-cast concrete industry. Polylok Butyl Joint Sealant remains flexible and forms a permanent bond to a wide variety of substrates including concrete, metals and plastics. Adhesion and cohesion at the time of installation are excellent, and actually improve after the joint has been formed and placed in service. This sealant is designed not to shrink, oxidize or harden and has excellent resistance to temperature extremes, acid and alkaline environments.

Polylok's Butyl Joint Sealant is designed to fully comply with current ASTM Standards and specifications as required by Federal, State and Local agencies for use by the precast concrete industry and contractors. Available in sizes: 1/2" x 21", 3/4" x 21", 1" x 21", 3/4" x 14.5", 1" x 14.5". Special sizes available upon request.

Goes Well With

Riser Safety Screens

Polylok, Inc. is proud to offer our 12", 20" & 24" Safety Screens. These bright yellow, heavy-duty ABS screens act as a secondary layer of protection if the riser cover is unknowingly damaged or removed. The Riser Safety Screen fits in the upper most riser stack of our Polylok 12"x6", 20"x6", 20"x12" and 24"x6" risers and prevents entry into the tank. The Riser Safety Screen has been tested to 250 lbs. per sq. ft. and comes with a built in handle. For a better nights sleep, make this a part of your riser installation each and every time!

Adapter Rings

This is the only Adapter Ring on the market that accepts 20" or 24" risers. Our Adapter Ring is ideal for retrofitting existing septic tanks and can be secured with ease. Our Adapter Ring is made of virgin high density polyethylene.