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JOINING DISSIMILAR PIPE ILLUSTRATED
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old steel tubing soldered
haven't seen this stuff since I was a little youngun
thought it was chromed copper-soldered together at joints "copper" no less
but the main tubing is thin walled steel? I know magnet sticks to it
could not get it to solder-any clues on the age or what I'm into here?
old house~~~
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Originally posted by kactuskid View PostReally nice drawings LazyPup. I have a guestion, is it ok to use a brass fitting to connect galvinized piping to copper instead of a dieletric union? I see this alot and figured it to be a good substitute to ensure against electrolisis.
Brass is much closer to Galv. on the galvanic scale than copper is and makes a good transition material.
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drawings etc. are submitted by mostly the moderators of that specific section. lazypup used to be the moderator of the plumbing section as I am of the electrical section. If it helps to straighten out a situation then we will add a drawing or two.
Reason for the bowl level not to be consistent is how soon the flapper snaps shut when the tank is flushed. sometimes it closes later or sooner and the time the tank fills as well as the bowl fill tube is later or shorter.
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drawings etc. are submitted by mostly the moderators of that specific section. lazypup used to be the moderator of the plumbing section as I am of the electrical section. If it helps to straighten out a situation then we will add a drawing or two.
Reason for the bowl level not to be consistent is how soon the flapper snaps shut when the tank is flushed. sometimes it closes later or sooner and the time the tank fills as well as the bowl fill tube is later or shorter.
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there is a fitting called a DESANKO fitting but you mention that at a home depot people are gonna look at you funny. all it is - is a beefed up plastic hub that fits into a cast iron hub and can be oakumed and leaded in place without melting. instead of using hot lead use the newer two part epoxies.
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Thanks for the info! I have a question that no one in any of the big boxes can answer. We jackhammered the basement floor to remove an old cast iron bowl drain and to install a shower. The existing pipe into the floor drain is 2.5 inch cast iron. We need 2" pipe for the shower. WE have searched high and low for a male threaded reducer and can't find anything 2.5". whatever we use must also be able to have concrete poured on top of it. Would the illustration on joining cast iron and pvc work in lieu of not being able to find ANY 2.5" threaded pipes?
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just for ha-ha's take a look at the periodic table of elements from chemistry class back from high school. one side is active gasses other side is active metals. here you'll find Cu=copper, Zn=zinc, Fe=iron, Pb=lead, Tin=Sn. Bronze and brass are alloys of two metals. Brass is copper and tin, bronze is copper and nickel. so, if you mix any of the active metals you can create corrosion between the joints unless you use an alloy.
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Galvanized to Bronze Valve
It seems to be pretty standard to use bronze valves with threaded galvanized pipe. Why doesn't that cause problems, since they are dissimilar? Also, I have been told that having copper and galvanized in direct contact will not only cause the galvanized to corrode at the point of contact, but will also cause problems downstream. Any thoughts?
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