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shutting it off to an office building, hospital, industry, school is not an option.
It's called "ISOLATION VALVES"
"TEMPORARY SHUTDOWNS" OR otherwise.
Gotta remember that freezing kits and propress didn't exist years ago, and hundreds of thousands of plumbers got by just fine without it.
It's an effective method, but it's not a tool I can see becoming standard in this day and age given its pricing and cost of fittings.
Find me a soldered connection that can't be soldered. ???? I haven't found one yet I can't do....
and that tool has a slew of limitations. You'll never get it in a wall to rework a tub/shower faucet.
I did a 32 unit apartment building, had to replace all the graphite packing in the valve assemblies which where 4" valves. Last part of the system required a 2" copper rework. I ended up using high pressure air while soldering the union in to get it all finished up. I did that twice, early 90's.
The product has its place, can function and provide simplicity in a lot of ways,
But I cannot forsee it as a replacement of soldering, ever. From the fire hazard point of view I only wish they made something to get in all those tight spots, but it's not realistic. Just like PEX and those tools. Fitting some pipe together and then bonding it will have its place forever.
One thing I hate about piping that is crimped joined by glue is the fact that they rely so much back to IPS connections at some point to get to the fixtures they connect to.
If you ever had to fix a leaking threaded connection like say on a tub/shower faucet back in the wall, then you'd know how much fun they are.
Impossible to put them back properly without disconnecting/soldering further away to keep the heat from wiping the water tight connection out.
I can't see the propress or the fittings in that product dropping in price, ever. Too much money went into the front end of that technology and the copper fittings are through the roof in price.
They had to be given the scrap metal pricing this year.
My issue with the product......can't solder close to them for fear of melting the O-ring out. Been in this boat before and set my tees further away to prevent the problem.