Rainwater Adaptor – PVC – Underground Drainage

Product Overview

The Universal 110mm Rainwater Adaptor is expertly designed to connect vertical rainwater downpipes into 110mm underground drainage. It forms a watertight joint that efficiently channels roof water into the system. Constructed from durable uPVC and compliant with BS EN 1401-1 standards, this adaptor offers a straightforward solution for linking gutter outlets and rainwater pipes to underground runs without any leakage.

The adaptor accepts a variety of downpipe sizes, ensuring compatibility with most domestic and light commercial rainwater systems. Once installed, it creates a sealed connection to prevent water loss at the junction, ensuring that roof runoff is directed efficiently into foul or surface water drains.

Features & Benefits

• Universal connection: Compatible with various standard rainwater downpipe sizes.
• 110mm compatibility: Fits directly into 110mm underground drainage pipework.
• Watertight joint: Prevents leakage at the discharge point of downpipes into drains.
• Durable uPVC construction: Resistant to corrosion, rot, and long-term ground exposure.
• Quick installation: Push-fit design simplifies fitting without the need for specialist tools.
• System integration: Provides a simple link between roof guttering and underground drainage.

Applications

• Roof drainage: Connects rainwater downpipes from gutters directly to underground drains.
• Surface water management: Ensures controlled discharge into foul or stormwater networks.
• Retrofit work: Adds new downpipe connections to existing underground pipe runs.
• General drainage: Provides a reliable link between external rainwater outlets and 110mm pipework.

Installation Guidance

• Preparation: Cut and chamfer pipe ends for smooth insertion.
• Connection: Insert the downpipe into the adaptor and secure into 110mm underground pipework.
• Sealing: Ensure seals are correctly seated for a watertight fit.
• Support: Provide adequate support for vertical downpipes above ground.
• Testing: Check all joints for leaks before backfilling.

Compliance & Performance

• Standard: BS EN 1401-1.
• Size: 110mm outlet with universal downpipe compatibility.
• Type: Universal rainwater adaptor.
• Material: uPVC.
• Applications: Suitable for underground foul and surface drainage systems.

Frequently Asked Questions

• What downpipe sizes are compatible? This adaptor is designed to accommodate a variety of standard rainwater downpipe sizes.
• Is special tooling required for installation? No, the adaptor features a push-fit design that simplifies installation without specialist tools.
• Does it meet industry standards? Yes, it complies with BS EN 1401-1 standards.