Questions tagged [solder]
The solder tag has no usage guidance.
10
questions
4
votes
4
answers
2k
views
Can I still use this old (15yrs) flux and solder?
I few days ago I cut and cap a copper pipe to start repairing an underground water leak in my garage. I noticed that the flux looked rather orange and when I solder a pipe the solder didn't flow very ...
- 453
1
vote
2
answers
59
views
Soldering or brazing copper pipes
At a local workshop we have a portable and old heating device where the heat generator's housing reaches around 180°C during operation. The original external aluminum radiator with a fan attached to ...
- 113
0
votes
4
answers
1k
views
Sweat or threaded connections for shut-off valves
I'm in need of installing a shut-off valve for my hose bib (sillcock), specifically a ball valve. But I was wondering if a threaded connection was better than a sweat in terms of effectiveness and ...
- 51
0
votes
1
answer
71
views
How to remove or de-solder old flashing
I'd like to remove some old copper flashing to repair the rotting wood beneath it. My plan was to de-solder the old flashing joint (I'd like to reuse the flashing when done). So I bought a used ...
- 465
0
votes
2
answers
48
views
Water shut off to solder on an adapter?
I need to put an adapter onto a ball valve at the end of a supply line. Do I need to shut the water off to the whole line?
- 305
1
vote
2
answers
142
views
High Temperature Lead-Free Solder
I have an old microwave/convection oven that came with 2 metal circular trays for cooking on (in convection mode), a tall one and a shorter one that fits underneath it. However, a long time ago, one ...
- 175
1
vote
2
answers
240
views
Using salt to reseal a solder joint?
I just had an inspection for a hot water heater that we recently had installed, and while the installation passed, the inspector noted a leak at one of the copper joints in the hot water pipe. She ...
- 13
2
votes
2
answers
2k
views
Can I solder galvanized steel to stainless steel?
I have several stainless steel plates and I want to solder galvanized steel tubes to these plates.
Is this possible?
I ask because I have a guy that does all my soldering work, but he generally ...
- 1,885
1
vote
1
answer
2k
views
How to remove a cast iron pipe plug that has been soldered with lead
I'm adding a utility sink in my basement. I'd like to drain it into a cast iron pipe junction, but I'm having trouble removing the old plug. It appears to have been sealed with lead solder.
I'm ...
- 609
3
votes
1
answer
16k
views
What happens if you sweat pipe copper pipe without flux?
I may have forgotten to use soldering flux paste when I replaced a water valve on 1/2" copper tubing. It was in a tight place and sweating pipe is not something I do often. Some of the joints I ...
- 1,209