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Uh, oh. Touched a nerve. Troll alert! Now the insults start flying. :lol: Grab a beer and look for the next installment when we learn another new name for iron and copper. And we get reminded of how stupid we are. :lol: Weren't we taking about soldering copper? :headscrat

Jon, Yes, exactly the question to ponder. Now, we're getting closer to the zen of piping. Groping for meaning on the other side of the static. The first goal is to let the water flow. Then the real meaning comes of using that water for a purpose. Arguing about the name of the conduit only...

So educate me and all of us with your profound knowledge! I'm not taking a stand either way, just as I'm not about to blame every problem on box stores when clearly there are other reasons for copper fittings being hard to work with. Perhaps you can "educate" us, and I mean specifically...

Copper can be slightly out-of-round from mis-handling, abrasive from emery cloth, or a ridge from a dull tube cutter can all cause fittings to be tight. None of those have anything to do with where you bought it. So, I guess, I don't "understand" that it is always the fault of the box store...

Do you have an adequate gas supply to the water heater site? You'll probably need at least 200,000 BTUs. Be sure to do an accurate load calc on your gas pipe and I'll bet it's too small. Remember too, every 90 counts as 5' of straight pipe, 45s as three. Be sure you'll have enough water...

I've never run into the fittings not working with flux on them. There must be some solids in the flux. Try another brand. Also, when and if you sand the fittings and the pipe, get the sanding residue off before you apply the flux. The difference between pressure in PVC with a non...

Do your openers have the back-up batteries to work during power failures?

Well, yes. And we are also being told that there is no such thing as black iron pipe. And that came after we were told there is no such thing as copper pipe. Where to next? :rolleyes:

Not produced for 60 years? I just love the adamant sarcastic declarations.:lol: I wonder where the plumbers are getting all that black iron pipe that is going into the new houses we're working on? Hmmmmm. Here's a place to get some, but it must all be over 60 years old. :dunno...

I found these Wesinghuse Industrial fans and put one in my garage. They've been made for years are the fans that places like Home Depot put up near the ceiling and let them run for years and years. They seem to go forever and are silent running on the lower speeds. The blades are steel and...

Oh yeah, I didn't catch that the pipe actually went into the slab. Do those run continuously? Seems like a lot of power for the joba nd I'm wondering what it looks like below the slab. A maifold of PVC branching out to the far corners for instance?

Yes. But for some reason that fact seems very hard for some to acknowledge. It's perfectly OK with me to call 3/4" copper pipe, 7/8" copper tubing. That is what it is. But if someone wants to order some fittings for "3/4 copper" from Ferguson, for instance, they'll likely get fittings that...

Looks good. That is how a multi-zone injection loop should be done. Huge blower sitting next to it? Is the relief valve dripping? I haven't seen a Lochinvar atmospheric boiler in a awhile. Any problems with it?

Ferguson doesn't list full length hard pipe on that site unless you have an account. But they do show tubing coils and refer to the OD. Better to do a search for "the difference between pipe and tubing". Then you'll get many hits on industry standards and the general meaning of the two terms...

Exactly what I think. The problem is the temperature is reduced further and further to each successive zone, or set of tees, as the previous zone delivers cool return water to the main supply line. Or, if an upstream zone is not running, the downstream zones gets warmer water. It's...

Or just say screw-it! Loudly and seriously for affect. Throw something down as you do! :lol: Then thread up a bunch of iron pipe and be done with it. Just don't use PVC. Uh oh, PVC, a potential other topic. :D

LS, Well perhaps you had better go tell the entire plumbing industry that the 3/4" copper and 1/2' copper water "pipe" they are using by the mile, everyday, is not what they or the industry says it is. Pipe is measured, approximately, on the ID and tubing is measured on the OD. Even if they...

The shear strength of 95/5 from Canfield is 6,200 PSI The shear strength of lead Free Watersafe from Canfield is 8,000 PSI. Times have changed and modern lead free is available everywhere. Don't know what lead solder strength is, but I know pipes can be pulled out of fittings if lead solder is...

I kept a bunch of Hardyboard concrete siding scraps for this very reason. 9 1/4" wide X 3/8" thick X various lengths. Just toss 'em when they get too messed up. Also, don't let any dripping solder go into the nozzle of the torch. This prevents them from re-lighting and is hard to clear...

Yeah, the old lead solder was so easy to hold in a high viscous liquid state for filling gaps. The newer stuff wants to trickle or be solid. The Silvabrite, with a little practice works pretty well for filling, but not like the lead. The Sure-Fire, Bernzomatic, Lennox torches (all re-labeled...