Depends on what they use to ignite the gas and to control it.
In the old days it was lit with a match... more recently, like your
electrically ignited gas stoves, it is often electricity... but unlike
gas stove, heaters have thermocouples which may require electricity ...
and sometimes a thermostat can powered by electricity also...
Probably not so much with small portable devices but certainly can be an
issue with bigger systems.
db
Tony B wrote:
Heh. That *is* an odd phraseology - sounds like a medical device. :)
http://www.fireplacesandwoodstoves.com/indoor-fireplaces/propane-fireplaces.aspx
Gas heaters generally take either propane or natural gas, and require
no electricity to heat. Some units have a fan, but it's not really
necessary.
On Thu, Feb 26, 2009 at 4:54 PM, Tom Piwowar <t...@tjpa.com> wrote:
passive gas heaters
Tell us more. I Googled the term and got just 1 hit (in French).
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