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Question About Honeywell Thermostat CT3400
How do I replace the batteries of this thermostat...

How do I replace the batteries of this thermostat ? Need to know how to remove the cover first. Thanks.

Asked by Niluka on 03/22/2009 2  Answers

ManualsOnline posted an answer 15 years, 7 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Marguerite posted an answer 15 years, 6 months ago

0 I would like to know how to open cover to replace batteries. Marguerite
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