I disconnected the tube, and there is no circulation from the box. Yeah, I know it's weird 

Karl Wolz
Sent from my electronic umbilicus

> On Apr 13, 2014, at 8:41 PM, Jim Arnott <jrasite@eoni.com> wrote:
> 
> Karl,  Both the dash vent come from the same chamber in the heater.  I’d be suspecting something in the duct rather than in the heater itself.  I can take pictures if you’d like. I have a spare heater out of the bus.
> 
> Jim
> 
> 
> [We have] socialism for the rich and rugged free market capitalism for the poor.
> -- Martin Luther King, Jr.
> 
>> On Apr 13, 2014, at 1:41 PM, Karl Wolz <wolzphoto@Q.COM> wrote:
>> 
>> I'm getting full fresh air flow through the passenger side dash vent, but
>> almost none out of the driver's side.  Pulled the flex tube off the heater
>> box/blower, and no air flow there either.  I had to patch things back up,
>> and now need to make the vent work.