Honeywell RTH2300 - Troubleshooting Common Issues; Diagnosing and Resolving Problems

Advanced Installation Guide
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About your new thermostat
WIRINGASSISTANCETROUBLESHOOTING
Customer assistance
For assistance with this product, please visit
http://yourhome.honeywell.com or call Honeywell Customer
Care toll-free at 1-800-468-1502.