Honeywell RTH5100B - Customer Assistance

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Customer Assistance
For assistance with your Honeywell product please visit
www.honeywell.com/yourhome or call Honeywell
Customer Care toll free at 1-800-468-1502.
Before calling, please have the thermostat model number
and date code available.
M22178
xxxxxxxx
xxxxxx
THERMOSTAT
BATTERY HOLDER
MODEL NUMBER DATE CODE