The Direct Fire S405 is one of our 400,000 BTU direct fired heaters.
This unit is particularly useful when working in a dusty environment, like a construction site. While the unit can become clogged with dust, that is simple to fix.
How to Clear out a Clog in a Direct Fired Heater
Watch the video below for a brief overview of the heater and learn what to do if clogging occurs:
Transcript: Compared to the other direct fire 400,000 BTU heaters that we have, it has all the same safety features as that one has; the only difference is it has a more robust air switch.
This tends to get clogged in a dusty environment; you can undo the copper lines here if you had some sort of air compressor to be able to blow some air through there, you can do that as well. But these handle very well in extremely dusty environments.
Check out our portable heaters page to learn more about our units.