Ray Andraka wrote:

A pager operated one would be a cheaper service. I'm contemplating
picking up a
cheap pager and wiring it to a box to do just that. Tanis sells a box
that listens for the pager's beep, although it is pricey.

I posted about this on the club's mailing list. Someone replied that
electric heating should be watched as protection against arcing (and some
nasty consequences of this).

But it seems from my reading of this thread that people are using electric
heat unattended.

I'm puzzled by the conflict.

- Andrew