16mm PEX to 15mm Copper Compression Adaptor: Spanners Only (video guide)

The 16mm PEX to 15mm copper compression adaptor from MaxHeatUFH joins 16mm PEX pipe to 15mm copper with compression joints. An underfloor or plumbing run can tie into existing copper with spanners only.

Here is how it fits and what to check, with the data sheet and install manual to download below.

Key facts

• 16mm PEX side
• 15mm copper side
• Compression both ends, no press tool
• Ties a UFH or plumbing run into existing copper
• Sold singly

How to fit it

1. Cut the 16mm pipe square and ream it
2. Cut the 15mm copper square and deburr inside and out
3. Fit a nut and olive to each and push both fully home
4. Hand tight, then a spanner holding the body. Don't overtighten
5. Check both ends for weeps during the pressure test

Buy it

The 16mm PEX to 15mm Copper Compression Adaptor is available from MaxHeatUFH. Order by 12pm on a working day for next working day UK delivery. Trade customers see their trade price when logged in.

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