I used to have a Stewart-Warner heater (kinda like a BN-4) that had a
thermostat. The furnace draft fan ran constantly, and a bimetallic coiled
spring sensor monitored the temperature of the incoming draft air (not the
combustion air). When the coil constricted to whatever point you set (via a
cable) the thermostat points would close, firing up the fuel
pump/igniter/combustion fan: HEAT. It would run until the coil spring
expanded, and opened the points. It was pretty simple, but required the
draft fan to run constantly, which was an electrical challenge, if you
planned to stay in one place longer than a night.

G. Matthew Bulley
Director
Bulley-Hewlett & Associates
www.bulley-hewlett.com
Cary, NC USA
888.468.4880 tollfree

-----Original Message-----
From:   J. C. [SMTP:jcblues@YAHOO.COM]
Sent:   Monday, October 11, 1999 3:53 PM
To:     vanagon@GERRY.VANAGON.COM
Subject:        Thermostat-controlled gas heater?

Here's a question: has anyone ever connected an
(interior) thermostat to a BA6 gasoline heater? This
would be in lieu of the cheerful green knob, so that
the heater could keep the interior at a constant temp
all night, rather than waking up every 45 min. to
reset the timer...

It seems like such a simple idea to me that it must
have been tried before (hopefully without firey
consequences). If you've done this or heard of anyone
trying it, please let me know!

I've also heard about the Canadian heater-timers and
would like to know whether these can be readily
installed in an American model and whether they work.
Seems like they would tend to under- or overheat the
vehicle if they go on every X minutes regardless of
inside temp.

Thanks,

Jim
Lost in chilly New Hampshire in an '84.

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