Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
I'm unable to open my securtiy box. The batteries must have died so I'm unable to use the electronic key pad to enter the code. The bypass keys won't open it either. When I put the bypass key in and turn to the unlocked position, I still can't open the box. Very frustrating!!
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Posted on Jan 02, 2017
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 Mar 16, 2010
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