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If you’re working more on DIY projects at home, and wouldn’t necessarily need or have professional equipment, you may prefer using push-fit fittings instead. The right fittings for the job So on another note, we're now ondemand hot water which we installed during the pipe rerouting and replacement in the basement. There was an old gravity based hot water recirc with a half inch branch off the top of each hot manifold returning to the cold water feed to the water heater. It was only marginally effective anyway and a source, in my mind, of festering who knows what being stored with all the crap coming in from the city. In hindsight, whole house filtration would have been appropriate here but I'm only discovering all these issues 45 years down the line from this major replumb - and I must say that the folks who did it wouldn't have known that this house was a particular vector for every bit of crap in the system for some reason. I had been wrapping rubber roofing with hose clamps on the pipes where i could get to them but some of this ran through finished ceilings and i was starting to see spots there. I changed the piping routes and had the whole thing fixed in about 3 hours with the press tool. I was convinced.
That of course includes the opportunity costs of the different systems in labor. I didn't actually get into press fittings until I had to renovated an eight apartment manifolded waterAt BES, we like to say not only that We’ve Got It, as in we’ve got every fitting or part you need, but we like to make sure that you will not find a better selection of press-fit fittings or pipe tools at a better price anywhere else too. This was maybe 40 year old installation when this started. I've never seen anything quite like it. Forget about solder joints failing. This was just the pipe itself. With 30 feet of head above me this would have been a horrendous bear to dry this for resolder and the size of pipe would have made shark alternatives a real PIA as well.
service with 2, 1 and 1/2 and 1 and 1/4 copper piping that had , on the hot side, started to develop pin hole leaks in the hot side basement transits before the risers. See attached picture. Makes incredibly short work of plumbing repairs, especially when you can't get the pipe to dry out.
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Anyway, would a recirc pump generated enough flow on the closed system to trigger the hot water heater and any clever occupancy sensors (I'm even thinking a pushbutton to use a couple minutes before you want hot water). My guess with the pipes pictured is ferrous debris which has settled out in the horizontals. Given the right water chemistry they will form little cysts that will eat the pipe.
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