This video tutorial shows you how to change the batteries in your Honeywell T4 Pro Thermostat. Have a different Honeywell? Watch our other video here:    • How to Change the Battery in a Honeyw...  

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Williams is the Northwest’s largest plumbing and civil contractor. We offer a comprehensive line of quality plumbing, civil construction, HVAC, green energy, consulting, and service solutions to meet the needs of just about any building project.

Williams Plumbing & Heating, Inc.
2131 Industrial Dr.
Bozeman, MT 59715
(406) 5870969
http://www.willplumb.com/