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> Gasoline Heaters, 914's and buses
Randal
post Nov 20 2010, 10:39 AM
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Did 914's and buses have gasoline heaters and if so where were they and how did they work?

Love to see a picture if anyone has one.

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aircooledtechguy
post Nov 20 2010, 11:54 AM
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Eberspacher made the heaters for the VWs. They have since changed their name to Espar. Do a Google image search for Eberspacher models : BN2, BN4, BA4 and BA6 and you'll see all the models they used in VWs. They now make models similar to the BN2 & BN4 models Called Airtronic 2 & 4. The website doesn't list it, but they ARE available in gasoline as well; not just diesel.

They are very well designed units (even the early ones in Beetles and buses). They are just like stock HE on your exhaust and work off the same principal.

Basically you have a S/S inner flame chamber where at one end, a small amount of fuel is mixed with incoming combustion air by way of an electric fan and inner vanes. It passes by a glow plug that ignites the mixture causing the s/s chamber to heat-up. There is an outer chamber that encases the inner chamber where a large volume of air is passes by another fan. Add ducting into the car and Viola!! A warm interior that is independent of the engine running and is much warmer than the stock HE ever could be.

Just found a video that explains it better than I can. . .

There is a lot of miss-information out there claiming that these heaters are dangerous and "explode" etc, etc, etc. Those are wives-tales retold by folks who have never owned one or even understand how they work. Eberspacher units have, since the early days, had safety switches, circuits and over temp detectors that cut power to the fuel pump if they detect an over temp condition. They also have pre-run mode for about 20-30 seconds before igniting AND run-on mode of 20-30 seconds after the fuel pump is cut off which purges the flame chamber of fuel vapors so they are safe.

The VW Beetles, Type-3s, Ghias (all w/ BN2) and Things (BN4) all had their gas heaters mounted in the trunk on the left-hand side. Buses had their heaters mounted either in the left side of the engine compartment when using a BN4 (from the 50s - '78) or under the bus when using a BA6 (from '79-on through the air-cooled Vanagon years). In all those cars they were only an option in the U.S. The Type-4 (411/412) was the only car where the gas heater was standard equipment (BA4 model). It had it's heater mounted above the transmission. This hearer was only classified as a heater "booster" since all air coming into the heater first came through the stock HE, but it could run independent of the motor and was a true gas heater.
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Randal   Gasoline Heaters   Nov 20 2010, 10:39 AM
SLITS   No, and I don't know Ersbacher? heaters ........   Nov 20 2010, 10:40 AM
aircooledtechguy   Eberspacher made the heaters for the VWs. They ha...   Nov 20 2010, 11:54 AM
Mark Henry   There is a lot of miss-information out there cla...   Nov 20 2010, 12:37 PM
aircooledtechguy   I guess watching my dad's '67 go up in fl...   Nov 20 2010, 03:18 PM
SirAndy   Did 914's and buses have gasoline heaters and ...   Nov 20 2010, 12:09 PM
SirAndy   Webasto made a unit specifically for the 914 ... ...   Nov 20 2010, 12:13 PM
RJMII   Webasto made a unit specifically for the 914 ... ...   Nov 20 2010, 03:21 PM
bandjoey   [quote name='SirAndy' post='1396684' date='Nov 20...   Nov 20 2010, 05:52 PM
partwerks   Webasto made a unit specifically for the 914 ... ...   Nov 11 2014, 08:59 PM
Drums66   .....Corvair too :D :wavebye:(& when it stop...   Nov 20 2010, 12:17 PM
jk76.914   .....Corvair too :D :wavebye:(& when it sto...   Nov 20 2010, 09:27 PM
scotty b   and 356 and 911 :) I am not sure about other mod...   Nov 20 2010, 12:26 PM
McMark   :agree: They were available. Never seen anyone s...   Nov 20 2010, 12:51 PM
realred914   one kept me warm all thru Alaska. nice heaters, r...   Nov 20 2010, 02:36 PM
bmtrnavsky   one kept me warm all thru Alaska. nice heaters, ...   Nov 22 2010, 10:40 AM
McMark   Jim, notice the height of the filler neck on the o...   Nov 20 2010, 03:53 PM
ConeDodger   Nice to know... Especially if I ever move back to ...   Nov 20 2010, 04:46 PM
patssle   Any idea what the new Espar's run in cost? The...   Nov 20 2010, 05:47 PM
bandjoey   $1149 online price   Nov 20 2010, 05:56 PM
patssle   $1149 online price Yikes! Though, stil...   Nov 20 2010, 06:05 PM
rtalich   ebay is your friend! Last year I bought a ver...   Nov 20 2010, 06:18 PM
mepstein   ebay is your friend! Last year I bought a ve...   Nov 20 2010, 07:17 PM
patssle   ebay is your friend! Last year I bought a ve...   Nov 20 2010, 07:19 PM
Cheapsnake   Had a gas heater in a 66 bus, heated fine when it ...   Nov 20 2010, 07:03 PM
aircooledtechguy   Had a gas heater in a 66 bus, heated fine when it...   Nov 20 2010, 07:41 PM
rtalich   ebay is your friend! Last year I bought a v...   Nov 20 2010, 07:56 PM
mepstein   Pics, Info? thanks, mark   Nov 20 2010, 08:01 PM
cary   [quote name='mepstein' post='1396908' date='Nov 2...   Nov 20 2010, 08:08 PM
rtalich   Here's the installation manual. Contains lots ...   Nov 20 2010, 08:17 PM
r_towle   Bump to top   Nov 29 2013, 10:11 AM
sixnotfour   :)   Nov 29 2013, 10:25 AM
Mark Henry   Thinking of doing one, I'm too old for no heat...   Nov 29 2013, 11:00 AM
lonewolfe   I've been wanting one of these Espars for my 9...   Nov 29 2013, 11:16 AM
lonewolfe   I've been wanting one of these Espars for my 9...   Nov 29 2013, 11:18 AM
Mark Henry   I've been wanting one of these Espars for my ...   Nov 29 2013, 11:35 AM
dr.tim   Has anyone been successful with an electric heater...   Nov 29 2013, 11:53 AM
boxsterfan   Has anyone been successful with an electric heate...   Nov 29 2013, 12:49 PM
lonewolfe   This electric heater looks like it might be an opt...   Nov 29 2013, 01:42 PM
lonewolfe   Hey Mark Henry! Hey Mark! Thanks for the ...   Nov 29 2013, 12:21 PM
Tilly74   They make new ones for tractor trailer sleepers. ...   Nov 29 2013, 12:28 PM
Mark Henry   Electric heaters :stooges: ....I've said this ...   Nov 29 2013, 01:59 PM
Rand   I went through all this over a Seattle winter or t...   Nov 29 2013, 02:03 PM
r_towle   Foley has a heater box that fits over one side and...   Nov 29 2013, 04:24 PM
Mark Henry   Foley has a heater box that fits over one side an...   Nov 30 2013, 09:15 AM
zambezi   Don't need heat much down here in Louisiana bu...   Nov 29 2013, 05:19 PM
euro911   Don't need heat much down here in Louisiana bu...   Nov 30 2013, 12:12 PM
Luke M   My brother came across this product which I believ...   Nov 30 2013, 10:38 AM
speed metal army   Theres a fella in my town that just bought a 914 w...   Nov 30 2013, 11:09 AM
Dtjaden   It seems that it would be possible to use an appro...   Nov 30 2013, 11:22 AM
Mark Henry   It seems that it would be possible to use an appr...   Nov 30 2013, 12:09 PM
cary   I had one in The Thing I had as a kid. Way cool. ...   Dec 1 2013, 09:45 AM
partwerks   I wonder if this would be comparable to the Ebersp...   Nov 8 2014, 10:41 PM
lonewolfe   I wonder if this would be comparable to the Ebers...   Nov 8 2014, 11:51 PM
cary   I wonder if this would be comparable to the Ebers...   Nov 9 2014, 09:53 AM
partwerks   I wonder if this would be comparable to the Ebers...   Nov 13 2014, 11:39 PM
partwerks   Wondering which would be more favorable, gas, or d...   Nov 9 2014, 08:27 AM
Mark Henry   Wondering which would be more favorable, gas, or ...   Nov 9 2014, 09:01 AM
partwerks   Wondering which would be more favorable, gas, or...   Nov 9 2014, 06:31 PM
euro911   Wondering which would be more favorable, gas, or d...   Nov 9 2014, 01:21 PM
lonewolfe   Wondering which would be more favorable, gas, or ...   Nov 9 2014, 01:47 PM
Mark Henry   [quote name='euro911' post='2108468' date='Nov 9 ...   Nov 9 2014, 03:41 PM
euro911   [quote name='euro911' post='2108468' date='Nov 9 2...   Nov 9 2014, 04:03 PM
orangecrate   I installed an eberspacher diesel heater in a sma...   Nov 9 2014, 09:19 PM
PanelBilly   Not that it will defrost your windshield, but you ...   Nov 9 2014, 09:32 PM
partwerks   I'm guessing here, but with different sizes, e...   Nov 9 2014, 09:39 PM
lonewolfe   Let's not forget seat heaters. I bought a set ...   Nov 9 2014, 09:42 PM
JimN73   I see that the Webasto 2000 uses either gas or die...   Nov 10 2014, 10:30 AM
euro911   I see that the Webasto 2000 uses either gas or die...   Nov 10 2014, 11:13 AM
GeorgeRud   I certainly hope someone may actually see the gas ...   Nov 11 2014, 09:58 PM
partwerks   I certainly hope someone may actually see the gas...   Nov 11 2014, 11:24 PM
GeorgeRud   It's still sitting in my garage, but I haven...   Nov 12 2014, 07:42 AM
euro911   I never fired the Webasto that was in my SWB 911. ...   Nov 12 2014, 02:26 PM
hcdmueller   That is a British company, based in London. The va...   Nov 14 2014, 12:52 AM
partwerks   They are supposed to get back with me with a more ...   Nov 14 2014, 07:07 AM
Jake Raby   I love the modern Espar heaters.. I had one in my ...   Nov 14 2014, 08:18 AM
Alapone   how difficult is the install of a modern heater? h...   Oct 13 2015, 10:16 AM
Mark Henry   how difficult is the install of a modern heater? ...   Oct 13 2015, 02:17 PM
bandjoey   Drawback is cost. They're darn tootin expensiv...   Oct 13 2015, 03:00 PM
Mark Henry   Drawback is cost. They're darn tootin expensi...   Oct 13 2015, 06:21 PM
horizontally-opposed   Jake: Do post pics of the install. So, four optio...   Oct 13 2015, 03:22 PM
mepstein   The factory heat exchangers bolt right in. The gas...   Oct 13 2015, 03:40 PM
horizontally-opposed   The factory heat exchangers bolt right in. The ga...   Oct 13 2015, 05:08 PM
Alapone   -Yea I was looking at a used gas airtronic on ebay...   Oct 15 2015, 02:38 PM
Alapone   -Yea I was looking at a used gas airtronic on eba...   Oct 15 2015, 02:39 PM
mepstein   -Yea I was looking at a used gas airtronic on eb...   Oct 15 2015, 08:55 PM
Mueller   If it does not rain this weekend, I will see how t...   Oct 15 2015, 04:57 PM
lonewolfe   If it does not rain this weekend, I will see how ...   Oct 15 2015, 08:29 PM
Mueller   [quote name='Mueller' post='2252421' date='Oct 15...   Oct 15 2015, 08:36 PM
Mueller   Pictures as promised....pic 1 and 2 inside front t...   Oct 16 2015, 12:23 PM
Mueller   I found the installation manual for mine... Fuel:...   Oct 18 2015, 12:13 PM
Mueller   Need to find a low pressure fuel pump now.... Hook...   Oct 21 2015, 11:07 PM
Steve   It seems like a good spot to mount it would be in ...   Oct 22 2015, 06:34 PM
euro911   Sounds logical to me :confused:   Oct 22 2015, 07:46 PM
Mueller   Update on this heater I've had for years! ...   Jan 2 2018, 02:34 PM
mepstein   Update on this heater I've had for years...   Jan 2 2018, 03:07 PM
Mueller   [quote name='Mueller' post='2563594' date='Jan 2 ...   Jan 2 2018, 03:13 PM
mepstein   [quote name='Mueller' post='2563594' date='Jan 2...   Jan 2 2018, 03:54 PM
GeorgeRud   I also purchased the same heater as Mueller, and g...   Jan 2 2018, 05:06 PM
Mueller   I also purchased the same heater as Mueller, and ...   Jan 2 2018, 06:07 PM
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