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-   -   looking for pipe TAP to chase the threads (http://www.diychatroom.com/f7/looking-pipe-tap-chase-threads-168603/)

DIYGST 01-08-2013 03:35 PM

looking for pipe TAP to chase the threads
 
I wanted to clean out the threads on this tee, there is some slight corrosion and crud.

http://www.homedepot.com/catalog/pro...dea82c_300.jpg


it's a 1/2" fitting, Is it a 1/2" NPT thread?



On the other hand seems like a $20 tap may be over kill, is there a way to clean up the threads well, e.g. using another male fitting with slots cut into it. A PVC fitting is going to the bottom and currently from the plug I installed I know it is not leaking, maybe cutting the threads will make it worse?

joecaption 01-08-2013 03:51 PM

A pipe thread will fix it but why fix it.
Those old steel fitting will always leak and start to close up on the insides.
Should have been replaced with new lines.

TheEplumber 01-08-2013 06:31 PM

Taps are kind of spendy for one job. Try a brass nipple or steel nipple- run it in then remove it and check the threads. Also, a small copper fitting bush chucked into a drill works.

DidIDoThat 01-09-2013 09:10 AM

Quote:

Originally Posted by DIYGST (Post 1089152)
I wanted to clean out the threads on this tee, there is some slight corrosion and crud.

http://www.homedepot.com/catalog/pro...dea82c_300.jpg


it's a 1/2" fitting, Is it a 1/2" NPT thread?



On the other hand seems like a $20 tap may be over kill, is there a way to clean up the threads well, e.g. using another male fitting with slots cut into it. A PVC fitting is going to the bottom and currently from the plug I installed I know it is not leaking, maybe cutting the threads will make it worse?

Your kidding right ?:laughing:
Thats a $2.00 part, why in the world would you waste that much time and risk a leak for $2.00 ?


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