Question about Honeywell Programmable Thermostat Heater

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Looking for a manual for Honeywell RTH221B lost the instrutions to install the thermostat.can you help

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Thermostat RTH221B ac or dc


Hi,
Click on the link below for the manual downloads.

http://www.honeywellcentral.com/ssi/pdf/honeywell/RTH221-Owners-Manual.pdf

Hope this helps.Thanks!
Ken.

Jan 19, 2012 | Heating & Cooling

1 Answer

Is the thermostat ac or dc (rth221b)


This thermostat is 24 volts A/C. Here is the operational manual and the install manual for the rth221b. For more information on thermostat power check this link.

Jan 19, 2012 | Honeywell Heat/Cool Thermostat

1 Answer

Incorrect ambient temperature on Honeywell Model RTH221B


Check in your manual for the thermostat. By pushing a combination of buttons you can get into the advanced installer menu. From there you can make an adjustment to correct the temperature.

Nov 11, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Installed my thermostat and the heat keeps climbing where did i go wrong? it is a honeywell Honeywell RTH221B Basic Programmable Thermostat


Make sure red wire is on R terminal, white wire is on W terminal. Also look for a short in the thermostat wire.

Oct 17, 2009 | Honeywell Electronic Programmable...

1 Answer

Want to replace analog Honeywell thermostat with digital


Your system uses 24 volts and that thermostat should work. You should only have a two wire system and that should work using the RH and W connection on the thermostat. My personal opinion about that thermostat...I don't like it. It will timeout for 15 minutes after furnace does not fire up. I deal with this thermostat all the time because that is what they install in the new homes. I always have to pull it off the wall, remove the batteries and wait for it to completely drain power becuase it does not have a reset switch. Very irritating...Might be too complicated for your application.

Oct 17, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

I need the wiring diagram for the honeywell RTH221B


Go to
myhome.honeywell.com
and search for a manual for your model number thermostat on the right hand side of the page.
Hank

Oct 15, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

How do I program my honeywell basic thermostat?


Go to
myhome.honeywell.com
and search for a manual for your model number thermostat on the right hand side of the page.

Oct 10, 2009 | Honeywell Programmable Thermostat Heater

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