Replacing old thermostat

http://cdn.brownstoner.com/4eaf20337a248-.jpg

We currently have an old school Honeywell thermostat (picture attached).  I want to replace it with a more modern programmable thermostat HAI Omnistat 2 ( http://i.imgur.com/gTyku.jpg ).  Can I simply just remove the old one?  Anything I need to consider?

guikazoid

in Heating 13 years and 7 months ago

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HansDelbruck | 13 years and 7 months ago

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Hi, Have you checked out the new “Nest” thermostat? Made by the people who designed the iPod. It learns your heating habits and heats accordingly. If it has anything to do with the thinking of Steve Jobs it might be something to consider. The instructional video on the site is very simple.

BobMarvin | 13 years and 7 months ago

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I just noticed the picture. FWIW my “new” thermostat looks just like that. My old one was a real “old school”  40+ year old Honeywell electro-mechanical model, with a mercury switch that looked much nicer, but didn’t work nearly as well.

BobMarvin | 13 years and 7 months ago

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I have forced hot air heat (Which is inherantly uneven) and find that the  electronic thermostat I installed a few yeas ago makes for much more even heat levels than my old (c.1965) electro-mechanical one. With the old themostat the heat didn’t shut off until it was a few degrees warmer than the level I set and didn’t go on again untilit was a few degrees colder.

northofditmas | 13 years and 7 months ago

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You already have a programmable thermostat.  Why not just get the manual online?

Master Plvmber | 13 years and 7 months ago

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Most single-stage heating systems use the Rh and C terminals on the thermostat.

daveinbedstuy | 13 years and 7 months ago

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Yes..there will be 2 wires attached to the back (more if you have central AC). Note which two but the instructions on the new one will tell you where to attach them.  Then just follow the directions to set date, time and the schedule.  Those instructions are usually on the inside of the cover as well.