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Tips on Unscrewing Kitchen Sink Waste Pipe?
On Sep 22, 9:13*pm, Josh wrote:
I'm replacing my old kitchen sink and all the plumbing underneath it. I'll probably use all plastic/PVC for the drain pipes. *Anyway, everything has gone reasonably well until I tried to unscrew the metal waste pipe that runs from the trap to the main sewer pipe in the wall. *I'm sure it's been in there since the house was built in 1959 and I can't get it to budge, even with a 24" pipe wrench. This particular one looks like very tarnished copper, about 7" long and 1 1/2" in diameter. *It appears to be sweat soldered on to a 2" bushing or threaded male adapter, which is threaded into the main pipe in the wall. *They used a lot of pipe joint compound on the threads, and it's hardened. *I've squirted Liquid wrench on in 3 times, but since it's running horizontially I don't think it's penetrating very far. Any of you professional or experienced amateur plumbers got any tips on how to deal with it? I've been using the pipe wrench near the trap, so I won't accidentally damage the new hot & cold water plumbing. *Also, I've got more room to work out there. *Would I be able to apply more torque closer to the wall (connection)? *Not as much room to work close to the wall, because of the other plumbing. Getting the closer to the wall won't give you more torque but there will be less moment tending the tear the threads out of the wall fitting so closer is better in that regard. How big is the wrench you're using? Try a bigger wrench (like 18" or bigger) and TIGHTEN the joint (just a bit of movement) before attempting to loosen it.......works every time! cheers Bob |
#2
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Tips on Unscrewing Kitchen Sink Waste Pipe?
I've seen internal pipe wrenches for smaller pipes. Be nice
if he could get internal pipe wrench, and then impact wrench to rattle it loose. The sawzall and cuplr idea is a good one, too. -- Christopher A. Young Learn more about Jesus www.lds.org .. "fftt" wrote in message ... Any of you professional or experienced amateur plumbers got any tips on how to deal with it? I've been using the pipe wrench near the trap, so I won't accidentally damage the new hot & cold water plumbing. Also, I've got more room to work out there. Would I be able to apply more torque closer to the wall (connection)? Not as much room to work close to the wall, because of the other plumbing. Getting the closer to the wall won't give you more torque but there will be less moment tending the tear the threads out of the wall fitting so closer is better in that regard. How big is the wrench you're using? Try a bigger wrench (like 18" or bigger) and TIGHTEN the joint (just a bit of movement) before attempting to loosen it.......works every time! cheers Bob o e |
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