Land Drainage Couplers, Junctions & Caps

When installing land drainage pipe fittings, it is important to have the right couplers, junctions and caps to maintain an efficient drainage system.

It is essential to properly manage surface water as it can pose several challenges and disruptions. Our pipe fittings, gully gratings and other solutions help with capturing rainwater runoff, connecting pipes and maintaining reliable drainage systems that prevent flooding and water build-up. At Drainfast, we offer an extensive selection of fittings, junctions and couplers designed to support land drainage performance.

Our Range of Land Drainage Junctions, Couplers and Adaptors

Our premium range of land drainage junctions, couplers and adaptors is essential for supporting the reliable flow of water. Junctions can connect multiple pipes together, allowing water to flow in from different directions into one system. They’re useful where separate drainage lines need to join into one main pipe.  For this reason, junctions are used in a variety of locations, including roads, different surfaces and large fields. Land drainage couplers securely connect two pipes in a straight line, ensuring a continuous and leak-resistant flow within the drainage system. The most common applications for couplers include repairing damaged pipes, extending drainage runs and connecting pipe lengths throughout large installations. At Drainfast, we have a vast range of junctions, couplers and adaptors for both land and underground drainage. Our selection of underground pipes in various sizes, chamber bases and flexible fittings provides you with everything needed for a successful installation. 

Why Choose Drainfast?

Drainfast is an expert drainage supplier with an extensive selection of high-quality drainage products to support a variety of environments and efficient drainage. It’s why we only stock products from reputable manufacturers. We also provide fast and reliable shipping, along with options for next-day delivery service to those located in close proximity to our depot. In our commitment to providing the best customer service, we offer a free material take-off service to groundworks customers. This way, you only order exactly what you need with accuracy and confidence. 

Land Drainage Fittings FAQs

What are Land Drainage Fittings Used For?

Land drainage fittings are essential solutions that connect, direct and manage the flow of water through a drainage system. They connect pipes, change direction and combine multiple lines. Their functionality and design prevent waterlogging and flooding. 

What Materials are Land Drainage Fittings Made From?

Most land drainage fittings are made from durable plastics such as PVC or polypropylene. These materials are lightweight, resistant to corrosion and designed to withstand harsh conditions. 

What Pipe Sizes do Land Drainage Fittings Fit?

Land drainage fittings are designed to fit standard pipe sizes, most commonly 80mm, 100mm and 160mm. It is important to match the fitting size to the pipe diameter to ensure a secure and effective connection.

Are Land Drainage Fittings Watertight?

Land drainage fittings are not typically fully watertight. They are designed for systems that allow water to enter and flow through the pipe network. However, they still provide secure connections to maintain consistent water flow.

Help & Advice

land drainage coils agriculture
Help & Advice

Land Drainage Explained

Land drainage is needed when soil becomes so saturated with water that it becomes unproductive and boggy. This article gives an overview of land drainage.

Related articles

beautiful garden flowers lush green

How to improve drainage in the garden

23 July, 2021 (Updated 28 October, 2025)

During the summer months, many of us want our gardens in tip-top condition, ready for an influx of compliments during family barbecues or drinks with friends.

Delivery options

Enter your postcode for delivery timescales, accurate stock levels, and your nearest depot