Never heard of trueweld before but the design of olives/ferrules for s/s are completely different to copper due to the hardness of the stuff. There generally a wedge shape that crimps into the tube wall.
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So, from my very recent experience with the stainless stuff...that is not soldered:
I also heard a press fitting might work.
- Only tried compression fittings
- 22mm needs a 3/4" olive. 15mm needs 15mm olive. Plenty of tape and paste
- You will need a file to chamfer the 22mm pipe to get the 3/4" olive on. I resorted to hammering the fecking thing on...while in the fitting with the nut on!
- Cut pipe inside looked clean
- Get a new hacksaw blade
Some of the pipe bends were extreme. I guess they really really wanted to cut down on joins.
Pipe clips? Try bent over nails!
Hope this helps some other poor fool who stumble across this stuff.
J
Given the potential damage involved with water I’d be questioning the manufacturer as to if their products can be used with this type of pipe.
If anything were to go wrong I suspect the manufacturer and your insurers may have something to say. Best mixing steel and copper you’ve created a galvanic corrosion cell at the fitting that will likely dramatically reduce its life.
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