Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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I have a honeywell digital programmable thermostat in my home, it will not go any cooler than 74 degrees...i have tried to press the buttons every which way but it will not go any colder.

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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.

Posted on Jun 08, 2010

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Is the thermostat mounted near a lamp or other heat source?
Is the wall warm from ducts in the wall or a refrigerator on the other side?
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Hope this helps.
Matt

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