Propex intake vent -- is it necessary?

shizzon

I purchased a propex HS2000 heater a while back and have it mounted under the rear bench seat in my vanagon. Is it really necessary to install an intake vent on the kick panel? It seems to work fine without. Just wondering if there is anyone out there who has tried it both ways and found there to be a practical (not theoretical) advantage to having a specific intake vent.

Thanks!
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1989 Bostig Syncro Westy

DAV!D · Posted: Sun Jun 28, 2015 8:40 pm Post subject:

I don't have one, but it needs fresh air from outside or it will use up all the O2 inside your sealed up van and you will die..
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86 Syncro Build - Ecotec Motor Swap - Pop Top Conversion - Camper Build & Syncro Conversion

dobryan · Posted: Sun Jun 28, 2015 9:29 pm Post subject:

westyventures · Posted: Sun Jun 28, 2015 11:10 pm Post subject:

On a stock Westy rear seat configuration, there is plenty of flow around the seat so the extra box vent is not necessary. The burner intake air of course is separate and drawn in from below.

shizzon · Posted: Mon Jun 29, 2015 9:10 am Post subject:

Thanks, that's the answer I was looking for!
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1989 Bostig Syncro Westy

bmdhacks · Samba Member Joined: June 15, 2013 Posts: 60

In order to fit my propex in the shore-power fuse location, I hacksawed off the intake nozzle and drilled a bunch of perforation holes in the side plate that covers the electronics. A few grates in the cupboard keep the airflow from the fridge vents. I may have voided my warranty, but it works great and uses hardly any space:

Image may have been reduced in size. Click image to view fullscreen.

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88 Vanagon Westy w/ 2200cc + manual trans

Terry Kay · Banned Joined: June 22, 2003 Posts: 13331

<<I don't have one, but it needs fresh air from outside or it will use up all the O2 inside your sealed up van and you will die..>>

Kinda like keeping your lug nuts tight--do that or you will die--
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T.K.

westyventures · Posted: Mon Jun 29, 2015 10:35 am Post subject:

Yep, warranty void with that amount of cutting. Did you happen to notice the return air connector is spot welded, and a small amount of grinding would have popped it loose vs sawing? It could have been left in place and just the cover plate perforations done, which might have kept the warranty intact. Where is the return air entering the cabinet?

bmdhacks · Samba Member Joined: June 15, 2013 Posts: 60

Yeah, my propex install was a bit of a disaster because I'm a horrible mechanic. I wouldn't expect the warranty to be valid.

That being said, it's pretty awesome in the location I have it, and it works amazingly well.

I put a 4" hole saw hole between the cubby cabinet and the fridge cabinet (my fridge was deleted) covered by a grate. The air intake flows in the old fridge vent on the floor through the side of the cubby and into the propex.

Looking forward to future winter camping now that I don't have to worry about being cold.
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88 Vanagon Westy w/ 2200cc + manual trans


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