Copper M-Press Straight Coupling: Pressed Cold, No Flame (video guide)

The copper M-press equal straight coupling from MaxHeatUFH joins two lengths of the same size copper tube in a straight line. One of our best-selling copper press fittings, it is pressed cold with an M-profile jaw, with no flame and no solder.

Watch the full video and the quick version below, and download the data sheet and install manual for the exact specification.

Key facts

• Joins equal-size copper tube
• One of our best sellers
• Pressed cold: no flame, no solder
• 6 sizes, 15 to 54mm, bag or box
• 15-28mm: MH-EHCS or MH-HPEHCS jaws
• 35-54mm: MH-HPEHCS jaws only

How to fit it

1. Cut the tube square, deburr inside and out and wipe clean
2. Mark the insertion depth and check the seal is seated
3. Push the tube in to the mark
4. Fit the same-size jaw square over the bead and run a full press cycle
5. Check the mark is at the fitting edge, then pressure test and check for weeps

Buy it

The Copper M-Press Equal Straight Coupling 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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