Customer Assistance - Honeywell RTH221 Operating Manual

Customer assistance

For assistance with this product, please visit http://DIYthermostats.honeywell.com.
Or call Honeywell Customer Care toll-free at 1-800-468-1502.
To save time, before calling, proceed as follows:
1) Loosen the locking screw at the bottom of the thermostat. Note that
the screw is captive and cannot be removed from the wallplate.
2) Separate the thermostat from the wallplate as per figure on the right.
3) Note your model number and date code on the thermostat's
wallplate.
Programmable Thermostat RTH221
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