2011年4月21日 · The steel hanger will corrode before the copper pipe does. We cannot rule out wearing away (abrading) of the copper pipe sliding back and forth through the hanger due to expansion and contraction. Copper corrosion is green. Steel corrosion is reddish. A thin green coating on the pipe is not a worry. Caked up green residues is a worry.

2010年11月10日 · All I know is that my copper plumbing is about 35 years old and it's on the verge of all being replaced. Just the other day, I was capping a supply line to my washing machine's old location and the pipe snapped clean off at a joint with alot of corrosion.

2022年11月8日 · How to Prevent Copper Pipe Corrosion in Your Home Copper pipes have been used for hundreds of years to deliver water to faucets and household fixtures. Although the metal has fallen out of favor with many homeowners opting for plastic plumbing, copper pipes still represent a significant portion of American plumbing.

2012年2月26日 · Advanced Search Cancel ...

2015年8月6日 · I assume that the plated copper would normally be used for copper piping systems, while the galvanized steel would be used with steel and iron products. Using a similar material would prevent galvanic corrosion at the clamp to pipe joint. But then these copper plated parts are usually assembled with steel rods and ceiling flanges.

2023年1月6日 · Copper and chrome plated pot metal will not react unless both are in contact with some sort of electrolyte such as water or salt. So if you have a shutoff valve that is slowly leaking and bleeding, or you have poor aim and keep pissing onto the valve, or you take hot steamy showers a lot with no exhaust fan, then yes it could cause issues ...

2008年2月9日 · The steel woll against the copper piping is to stop the f king :furious: mice from going all over the place. They will chew through everything else I;ve tried including that spray "Great Stuff" They will chew through everything else I;ve tried including that spray "Great Stuff"

2010年8月10日 · I wouldn't do that, but rather cut the copper lines just a couple inches below the top couplings (just below the 90's) then solder on copper MIP adapters. Eliminate the black iron pipe nipples coming out of the heather and replace them with dielectric nipples, then use 18" copper or stainless steel flex supply lines to make your connections.

2010年5月17日 · Flux is somewhat acidic as I recall, and acidic conditions also promote oxidation. The green oxide does come off nicely with vinegar and salt, however removal of the oxide does not prolong the life of the pipe, and serves little purpose except cosmetic. You should be able to tell if the pipe is leaking by placing a paper towel on it.

2017年1月8日 · Auto water feed will be on a 1/2" pipe that connects to your boiler. 1 way to check it, is to leave boiler off. mark current pressure on pressure gauge, and then in an hour or 2 look at the gauge. If it went up, the auto feed is bleeding water into the boiler.