bybyoil wrote:is your reluctance to use on a boiler because of the 180 degree maximum rating?
For sure! Also, price, but also, ultimately it's a rubber O ring that does the sealing. A soldered pipe is forever, eventually, someday, that O-ring has to fail.
e.alleg wrote:I have some I use in emergencies, like when a pipe freezes
That's the perfect time to use them and the only reason I have a pair in my toolbox. (well, also that pair was a free sample, LOL)