Question about Honeywell Programmable Thermostat Heater

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I have a honeywell round thermostat.The top sais 75 (thats what I have it on) but the bottom only reads 62! And dropping.If I manually turn it off.Then turn it back on slowly..it kicks on.Otherwise it just sits and gets colder and colder in here.This just happened today.If its not dead,why is it not kicking on like it usually does? Like its supposed to.? its usually right on exact.If the top is on 70 then the bottom sais 70.Its awlays been exact.But now...when it kicks on my furnace...the furnace runs so HOT that you cant even lay your hands on the vents because it will burn your hand.Im a single mom home alone. I dont know what to do.

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Is it an old mercury type that is out of level?

Posted on Feb 28, 2009

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How do I switch the honeywell pro4000 thermostat from reading in Fahrenheit to Celsius?


Hi, The procedure is fairly simple.... the easiest way is for you to look up the manual and have the proper steps right in front of you...
Here is a tip that tells you how to get a manual for most any Honeywell productonline...

Manual Honeywell How to Find Honeywell Manuals

heatman101

Nov 07, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

I JUST INSTALLED HONEYWELL TH6110D1021 THERMOSTAT FOR A STEAM ZONE VALVE. I SET THE THERMOSTAT FUNCTION BY PRESSING THE UP ARROW AND FAN BUTTON. THEN CHANGING THE RIGHT NUMBER TO 2. NOW I WANT TO CHANGE...


Hi and welcome to FixYa. I am Kelly.

Suprizingly enough there is an abundance of manuals for your Honeywell Programmable Thermostat. Use this link and at the bottom of the page you can download any of the manuals.

http://customer.honeywell.com/Honeywell/ProductInfo.aspx/TH6110D1021

Just note that pop ups must be enabled to download the manuals

Printable Quick Reference Sheet (after download)
http://customer.honeywell.com/techlit/pdf/PackedLit/69-1778ES.pdf

Thanks for choosing FixYa,

Kellly

Oct 15, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

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Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
Page, they have homeowners assistance and Home products to get the help you need.

Jun 01, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

I have a new Honeywell Round Non-Programmable Heat Only thermostat MFG # T8775A1009. I turned it down to 50 degrees. The room temp. is reading 70 degrees and heat is coming out of my baseboards. Why is...


Make sure the switches on the back of the thermostat is set for hot water heat. If you have more then 1 zone you may a stuck zone valve or a short in the wiring somewhere keeping the boiler on.

Apr 02, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

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HONEYWELL WEBSITE:
Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
Page, they have homeowners assistance and Home products to get the help you need.

Jan 05, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

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Hi,
If the thermostat is not over shooting the temperature than don't worry about it.
These thermostats are very sensitive and will turn the heat back on even before the degrees drop on the display. Often they will shut down before the display changes also. You can change the sensitivity of the thermpstat if you read the directions and change the cycles per hour to a less number. There is an installers program in there that you need to push a combiunation of buttons to get too. The instructions tell you how to do that also.

Hopefully you did not throw away the instruction manual for your t-stat.. :-)

Heatman101

Dec 28, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

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would need a part # and i will be able to supply you with a manual.

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1 Answer

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1 Answer

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1 Answer

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This my situation exactly.  Changing from a 6 wire manual round Honeywell thermostat to a 5 wire Honeywell programable.  Is there a way to maintain all functions?

Sep 21, 2008 | Honeywell Programmable Thermostat Heater

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