Hi Mehdi,
What do you mean leaking air from the switch? Air will come out of the exhaust port of the switch when it is in its closed position as it will bleed down stream air
Hi Masound. Are you able to send us a photo or video of this? Defiantly rare for this to happen so we will get a new one to you as soon as you send up the video/photo of the other malfunctioning.
