Riser-to-Riser Adapters – 500mm (20″) and 600mm (24″)

Riser-to-Riser Adapters are designed to provide a reliable, universal connection between Polylok’s advanced riser systems and a wide range of tanks, risers, and corrugated pipe from other manufacturers. Whether you’re upgrading an existing setup or standardising components across a site, these adapters create a smooth transition to the full Polylok ecosystem—known for durability, watertight performance, and ease of use.

Built from strong, long-lasting materials, each adapter delivers a secure fit that helps maintain system integrity. Simply fasten the adapter to the appropriate structure using a compatible sealing method, and it’s ready to accept any 500mm (20″) or 600mm (24″) Polylok riser or cover. This versatility makes Polylok adapters an ideal solution for installers, contractors, and property owners looking to modernise access points without replacing entire systems.

These adapters are especially useful for septic applications, water management systems, and any setup requiring dependable access risers. By enabling seamless compatibility, they help reduce long-term maintenance hassles, improve accessibility, and support consistent system performance. With Polylok’s engineering quality behind every component, you can trust these adapters to deliver long-term reliability in a wide range of environments.

Available Models:

• 3009-RTR20 — 500mm (20″) Riser-to-Riser Adapter
  Ideal for converting 20″ or 500mm openings to Polylok’s 500mm risers and covers.

• 3009-RTR24 — 600mm (24″) Riser-to-Riser Adapter
  Designed for systems using 24″ or 600mm access points.

• 3009-AR30 — 600mm (24″) Riser-to-Riser Adapter with 30″ Flange
  Offers additional flange support for applications benefiting from a broader mounting surface.

Upgrade compatibility, streamline maintenance, and standardise your access system with Polylok’s trusted Riser-to-Riser Adapters.

Call +353 5986 31524 information on pricing and availability today!