Explore Plumbco’s Compression Fittings category, featuring a diverse range of high-quality fittings including Straight Connectors, Reducing Couplers, End Caps, Elbows, Male Iron, Female Iron, and Reducing Sets. Our compression fittings ensure secure, leak-proof connections for various plumbing needs. Perfect for residential and commercial applications, with next day shipping available.
The 22x15x22mm Brass Compression Reducing Tee CORT-221522 comes with pre-loaded olives in the nut ends for easy and secure installation. Ideal for hot and cold water systems and central heating, it ensures durable, leak-free connections for professional installers and DIY plumbing projects.
The 28mm Compression Elbow (COE-28) is a reliable copper plumbing fitting designed to create a 90-degree bend in 28mm pipework. Ideal for plumbing and heating installations, it provides a strong, watertight connection without the need for soldering, making it perfect for quick repairs, maintenance work and professional trade use.
The 28mm x 1 inch Compression Elbow FI COEAF-28F is a high-quality plumbing fitting designed to create a secure 90-degree bend in copper pipework. Ideal for domestic and commercial plumbing and heating systems, this compression elbow provides a leak-free connection, ensuring reliable performance and easy installation for trade and professional use.
Compression 28mm x 1" male iron 90 degree Elbow - supplied with a pre-loaded olive in the nut end of the fitting. Suitable for hot and cold water systems. Compression fittings are useful when working in conditions that are not suitable for soldering.
The 28mm x 1" Compression Straight Connector (COSAF-28F) is a high-quality brass fitting designed to provide secure, leak-resistant connections between pipes in domestic and commercial plumbing or heating systems. Ideal for maintenance, repairs, or new installations, this straight connector ensures reliable water flow and long-lasting performance.
The COSAM‑28F 28mm x 1″ Compression Straight Connector is a durable brass plumbing fitting that creates a secure straight‑line connection between 28mm pipework and a 1″ BSP male thread. Ideal for hot and cold water systems, central heating and general plumbing installations, this compression adaptor delivers reliable, flame‑free installation with a WRAS‑approved, pre‑loaded olive for quick and leak‑resistant performance.
The 8mm x 1/4 Inch Compression Straight Connector FI COSAF-08B is a high-quality fitting designed to securely join copper pipework in plumbing and heating systems. Ideal for domestic and commercial installations, this straight connector ensures a leak-free, durable connection and easy installation for professional and trade use.
The COMP 22mm Straight Coupling COC-22 is a quality brass compression fitting designed to join two 22 mm copper pipes in a straight line — ideal for both hot and cold water systems. Supplied complete with a pre-loaded olive in the nut ends, it offers a reliable, leak‑proof joint without the need for soldering — perfect for maintenance, repairs, or installations where flame‑free fitting is a must. This coupling is WRAS‑approved and built to last, making it an excellent choice for domestic plumbing and heating applications.
10mm compression straight coupling for securely joining small-bore pipework in plumbing and heating systems. Durable, leak-resistant fitting for professional installations.
10mm compression equal tee for creating secure three-way pipe connections in plumbing and heating systems. Durable, leak-resistant fitting for professional installations.
The Compression 10mm x 1/4" Straight Connector FI (COSAF‑10B) is a high-quality brass compression fitting designed for connecting 10mm pipework to 1/4" fittings with ease and reliability. Ideal for domestic and commercial plumbing, this straight connector ensures a durable, leak-free connection for water, heating, and general pipe installations.
The Compression 10mm x 3/8" Straight Connector MI (COSAM‑10C) is a durable brass compression fitting designed to connect 10mm pipework to 3/8" fittings with ease and reliability. Ideal for domestic and commercial plumbing, this straight connector ensures a tight, leak-free connection for water, heating, and general pipe installations.
The CORC-1008 10mm x 8mm Compression Reducing Coupling is a high-quality brass fitting designed for securely joining different pipe sizes in plumbing systems. Ideal for hot and cold water and central heating installations, this durable compression reducer ensures leak-free performance and easy installation, making it perfect for UK plumbing repairs and upgrades.
The COMP 15mm Stop End (COEC‑15) is a durable brass compression fitting designed to securely seal the end of a 15mm copper pipe. Pre-loaded with an olive for fast, leak-proof installation, it provides a reliable, solder-free solution for hot and cold water systems, plumbing repairs, or temporary and permanent pipe closures, making it essential for both domestic and commercial plumbing applications.
The Compression 15mm x 1/2" Bent Tap Connector COBTC-15D is a durable copper compression fitting designed to connect 15 mm pipework to 1/2" threaded taps with ease. The bent design allows for easier alignment in tight spaces, making it ideal for basin, sink and bath tap installations. Suitable for hot and cold water systems, this connector provides a secure, leak-free joint without the need for soldering, making it perfect for both trade and DIY plumbing projects.
The Compression 15mm x 1/2" Elbow FI COEAF-15D is a high-quality copper compression fitting designed to connect 15 mm pipework to 1/2" female threaded outlets at a 90° angle. Ideal for taps, valves and confined plumbing spaces, this elbow fitting is suitable for hot and cold water systems and installs quickly without soldering. Providing a secure, leak-proof connection, it’s a reliable choice for both professional plumbers and DIY plumbing projects.
The COSAF‑15D compression straight connector delivers a reliable, solder‑free solution to join a 15 mm copper pipe to a ½″ BSP female threaded fitting. Constructed from durable, corrosion‑resistant brass and supplied with a pre‑loaded olive, it ensures a flame‑free leak‑tight joint — perfect for hot and cold potable water systems, radiator connections or retrofit installations where soldering isn’t an option. WRAS‑approved and designed for quick installation, this connector is a trusted choice for professional plumbers and domestic heating projects alike.
The COSTC-15D Compression Straight Tap Connector is a durable brass plumbing fitting designed for secure connection between 15mm pipework and 1/2" threaded taps or appliances. Ideal for hot and cold water systems, this high-quality compression connector ensures reliable, leak-free performance with easy installation, making it perfect for UK kitchen and bathroom plumbing.
The 15mm x 1/2" compression wall plate elbow (COWPE-15D) is a durable plumbing fitting designed to connect 15mm copper pipe to 1/2" BSP threaded outlets. Perfect for tap installations and exposed pipework, it provides a secure, leak-free connection without soldering.
The Compression 15mm x 12mm Reducing Sets CORS‑1512 are durable copper compression fittings designed to reduce 15 mm pipework down to 12 mm with ease. Perfect for hot and cold water systems, central heating, and general plumbing installations, these reducing sets provide secure, leak-proof joints without soldering. Engineered to British and European standards, they’re ideal for professional plumbers and DIY plumbing projects alike.