Male Straight Union 16mm x 1/2": compression, no press tool (video guide)

A straight compression union that joins 16mm underfloor heating or multilayer pipe to a 1/2" male thread. A quick way to connect to a valve, fitting or 1/2" port, with no press tool.

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

Key facts

• 16mm UFH or multilayer pipe
• 1/2" male thread
• Compression joint, no press tool
• Connects to a valve, fitting or 1/2" port

How to fit it

1. Cut the pipe square and ream it
2. Slide on the nut and olive, push the pipe fully onto the insert
3. Tighten the nut while holding the body with a second spanner
4. Seal the thread with a heating-rated sealant and screw it in
5. Check both ends for weeps during the pressure test

Buy it

The Male Straight Union 16mm x 1/2" Compression 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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