Pressure Switch Diaphragm replacement - Air leaking from the pressure switch?

Air leaking from your pressure switch is more common than you think. This could be a result of a dirty non-return valve or a punctured diaphragm in the pressure switch. For the easy fix check out the video from Peerless on the Non-return valve    • Non-Return Valve Spring & Seal - Air leaki...  . If this is not the problem, then this is the video for you. The pressure switch diaphragm will be the cause. Instead of replacing the complete pressure switch, just replace the diaphragm. If you have the patience, this is far more cost effective.