Thermostat question?

[clare]

Sounds like it was a Lucas thermostat - - - -.

[krw]

It's probably easier to use the existing wire to pull another with enough wires to get the job done (plus a few). It didn't sound like this was going to be a problem for the OP anyway.

[micky]

You have lots of answere, so here's an aside.

When I tried to buy a new furnace a couple years ago, one of the sticking points was one salesmen who insisted I get a new thermostat. I already have a heat/ac theromostat with 2 setbacks a day. I don't want to buy another.

They don't sell this one anymore. Now they are all electronic, but most of this uses mecfhanical switches. The temperature setting is by

2 mechancial slide switches with about 40 positions each, from 45 to

1. It also has 7 dip switches to choose one setback or two for each of the 7 days of the week. But the clock is electronic. It has batteries but it only needs them when the 24 volts isn't present, to keep good time, and if one doesn't use the setbacks, it doesn't need the time or the batteries to keep the temp right. Honeywell iirc. 30 years old, works fine. (I also have the round Honeywell which I plan to put back before I move, someday, and I may use it as a temp sensor for my home burglar alarm, to alert if the furnace breaks)

[Tony Hwang]

LOL! Lucas, knight of darkness. Way back when my better hapf insisted on driving Sunbeam, I spent so much time with it, every week end. Always something was going wrong. Specially Lucas electrical system and that damn side draft twin Zenith carb.,,,,.

[Tony Hwang]

You know new generation 'stats are much more accurate and it even has some smart brain, not like old dumb mechanical ones.

[bob haller]

older round thermostats used no power.....

You could put a old thermostat set as low as it could go say 45 degrees in parell with a new setback thermostat.

If the new thermost failed for dead battery or other reason the old thermostat would prevent freezing..

[Tim Watts]

On Sunday 24 February 2013 23:55 Tony Hwang wrote in alt.home.repair:

Lucas: Prince of Darkness, down my way...

Almost the crappiest cars ever built[1] (more or less everything by British Leyland in the 70's) used Lucas parts somewhere - with the enevitable...

[1] Except Fiat, Lada and Trabant...

[clare]

Only one electrical system worse than Lucas was Paris Rhone