16mm Comp Coupling
£3.82 (inc.VAT)Nickel plated compression coupling 16mm x 16mm.
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16mm-15mm Reducer
£3.90 (inc.VAT)16mm-15mm Reducer for wet and cold systems.
Commonly used when connecting 16mm plastic pipe to radiators.
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20mm-15mm Reducer
£5.70 (inc.VAT)20mm-15mm reducer allows connection of 20mmm plastic pipe to 15mm copper pipe. Featuring secure compression fittings and olives on both sides to minimises the risk of leaks. Application The 20mm-15mm reducer is common used for connection to radiators and towel rails which are fed from plastic barrier pipe.
Explore our range of compression couplings designed specifically for 16mm underfloor heating pipe.
What Is a Compression Coupling?
A compression coupling is used to securely join two sections of pipe. Each end of the fitting features a compression nut and an olive. When the nut is tightened onto the threaded body, it compresses the olive creating a watertight seal that prevents leaks.
What Size Are These Compression Couplings?
All of our compression fittings are designed for 16mm pipe, which is the standard size for most underfloor heating systems. VPS stocks only this 16mm diameter pipe.
We also carry a 15-16mm reducer, which allows connection to 15mm plastic or copper pipe if needed.
Popular Uses
Compression couplings are not only ideal for connecting pipework, they’re also commonly used to repair damaged sections of pipe caused by kinks or accidental punctures (screws or nails during flooring installation).
Need advice on material compatibility or system requirements?
Get in touch with our underfloor heating experts.
