Protank heads don't fit?

[dj9928]

OK my Protank came with heads with a little yellow rubber grommet, Apparently Kanger changed the rubber grommet to silicon heads because of burning issues, I have tried several heads both genuine and clones and neither fit correctly, Well I should say they fit but no air flow at all, like trying to vape a pencil there is no air flow through the Protank. Has anyone any ideas on how to fix this? I have rebuild my old heads bit the grommets are now done.

 

[Talyon]

Are ther any air holes drilled out in the 510 thread on bottom of device? And bottom plate should have routs as well.

Make sure the spare orings that come with each new head aren't on the coil, I made that mistake once.

 

[Rickajho]

It's not any grommet, it's the center post insulator that was changed and the source of the problem. If you screw the PT on too tight - even the tiniest bit - the center post insulator on the coil gets compressed. When that happens it completely blocks air flow that is supposed to be getting down between the coil and the inner wall of the base you screw the coil into.

Take the coil out and pull on the metal center post on the bottom just the slightest amount to try and decompress the insulator that the center post fits into.

 

[dj9928]

Yes this is the problem, If I unscrew the Protank until its almost off the battery it works but its ready to fall off.

 

[dj9928]

Here is a photo, the old heads have the yellow grommet, The new heads are also slightly thicker at the bottom allowing less air.

 

[Rickb119]

This fixes that problem. I have them on all of my PT2's and they work great. Kanger Airflow Control Valve