Hagen (I believe) still makes the old style, they're cheaper than the new
ones, but don't buy 'em - they're not as reliable and the tubes bust.
Bill Allen
----- Original Message -----
From: D. Martin Moore <archimed_at_netdoor.com>
To: <nanfa_at_aquaria.net>
Sent: Thursday, March 29, 2001 5:37 PM
Subject: Re: NANFA-- Old style heaters - usage?
> Hey, I still use these "old style" heaters. One of the two strips is
> bimetallic and functions as a thermostat. When the bimetallic strip bends
> far enough to contact the other strip (usually the one which is adjusted
> with the screw) then the heater comes on. If you turn the screw way down,
> then the heater will always stay on and cook your sardines. The light
> indicates whether the heater is heating, and usually there is also a
> capacitor to cut down on noise and stutters.
>
> Prost,
>
> Martin
> Jackson, MS
> ----- Original Message -----
> From: "Sajjad Lateef" <sajjad_at_acm.org>
> To: <nanfa_at_aquaria.net>
> Sent: Thursday, March 29, 2001 3:15 PM
> Subject: NANFA-- Old style heaters - usage?
>
>
> >
> > I was digging around some old aquarium stuff that I have acquired over
> > time. One heater that I have (but never used yet) is an old
hang-over-edge
> > type. It has a dial on the top which when turned, moved a screw
> > forward. The screw then brings two pieces of metal in contact. As the
> > screw is moved further to the right, the two pieces of metal (now in
> > contact) bend further in the opposite direction.
> >
> > o Do the two metal strips have to be in contact for the heater to work?
> >
> > o What happens when the strips are bent to the opposite side when the
> > screw is turned a lot?
> >
> > Any suggestions appreciated.
> >
> > Sajjad
> >
> >
> >
>
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>
>
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/----------------------------------------------------------------------------- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org