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Honeywell Thermostat RTH111/RTH221



Do You Know About These Manuals?

  • Posted by kaslogesky on Apr 7th, 2013 at 11:11am

    Owners Manual RTH111/RTH221
    I have this thermostate and no instructions. Please help, thank you
  • Posted by jimturf on Oct 10th, 2010 at 8:09pm

    Thermostat Manual
    Wiring info needed.
  • Posted by lisa_wheeling on Jul 19th, 2010 at 12:43pm

    Thermosate Manual
    Does anyone have manual for programming this thermostat? RTH111/RTH221
  • Posted by marjenl72 on Jun 9th, 2010 at 9:20pm

    installation instructions needed
    cannot find the english version of these instructions. mainly need info about the wiring Rh and Rc with the jumper. Thanx to any and all who assist.
    :0)
    ~j
  • Posted by mary.peters on May 31st, 2010 at 10:46am

    Owner's Manual and Guide
    I've lost my owner's manual and guide for setting my Honeywell Programmable Thermostat and I can't seem to find the manual on line. I need to change the program.
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Can You Help With These Problems?

  • Posted by dennisf13 on Nov 30th, 2012 at 11:56am

    I am trying to verify if the honeywell rth111/rth2
    I am trying to verify if the honeywell rth111/rth221 thermostat works with vermont castings direct vent heater,30,000 BTU, requirements are thermostat with a 500-700 millvolts. when testing at back of stove only receive 31.5 millvolts
  • Posted by hockeymn26 on May 9th, 2011 at 11:48pm

    Jumper Wire
    I took off the jumper wire between RH and RC on the thermostat and threw it away. I now know that I needed that jumper wire to properly operate my heat and A/C. Can I use any wire to create a jumper wire?
  • Posted by er76ke on Jan 24th, 2010 at 4:05pm

    how to program thermostat
    just installed the thermostat but the heat does not come on. what am i doing wrong? how do i set it??
  • Posted by er76ke on Jan 24th, 2010 at 4:00pm

    how to program thermostat
    just installed the thermostat but the heat does not come on. what am i doing wrong? how do i set it??
  • Posted by er76ke on Jan 24th, 2010 at 3:59pm

    how to program thermostat
    just installed the thermostat but the heat does not come on. what am i doing wrong? how do i set it??
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Member Tip

  • Posted by sumrall on Jun 26th, 2010 at 11:23am

    Installation
    I have a RTH111 and it is vhorizonal configeration, not vertical as shown in your examples. I do not understand this. On page 6 of my installation manual it states that it will not work if wire R, RC, RH, etc \. If my previous thermostat has this RC wire do I electric tape it of and not connect it or?


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