How Does a Compression Fitting Seal

If the pipe gets bent back and forth, the compression fitting could eventually spring a leak. … Over tightening a compression fitting can also cause the fitting to leak. When tightening up the compression fitting, only turn your tool until you feel resistance. From there, you shouldn’t turn it anymore than a half a turn.

Why does my compression fitting keep leaking?

If the pipe gets bent back and forth, the compression fitting could eventually spring a leak. … Over tightening a compression fitting can also cause the fitting to leak. When tightening up the compression fitting, only turn your tool until you feel resistance. From there, you shouldn’t turn it anymore than a half a turn.

Can you over tighten a compression fitting?

Unfortunately, if a compression valve or fitting has sustained this kind of damage from over-tightening, you should replace it.