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Copper tubing solder

"Solder" is an erroneous term as solder mean lead which of course is banned (safe water drinking act) Sweating is another term for "soldering"

Copper can be joined by various alloys such as 95 % tin -5% Anatomy or one of the many silver bearing types of low temperature alloys.

For the strongest possible joints brazing is the best way to go with a tensile strength over 87,000 PSI compared to soft solder joints of 16,000 PSI

For DWV copper joints one can use one of the lead tin solders such as 50 -50 as it is quite easy to work woth.

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12y ago

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When is it appropriate to use dwv copper tubing?

If local plumbing code allows it, use it for drain and vent lines.


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The best way to connect PEX tubing to copper piping using a PEX to copper adapter is to first cut the PEX tubing to the desired length and then slide the PEX fitting onto the tubing. Next, use a crimping tool to secure the fitting onto the tubing. Finally, solder the copper adapter onto the copper piping and connect the PEX fitting to the copper adapter.


How can I efficiently replace a copper pipe with PEX in my plumbing system?

To efficiently replace a copper pipe with PEX in your plumbing system, follow these steps: Turn off the water supply to the area where you will be working. Cut the copper pipe using a pipe cutter. Clean the ends of the copper pipe and PEX tubing. Install the appropriate fittings to connect the PEX tubing to the existing plumbing. Use a crimping tool to secure the connections. Turn the water supply back on and check for leaks. Insulate the PEX tubing if needed.


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