The TH5110D Thermostat provides electronic control of 24 Vac single-
stage heating and cooling systems or 750 mV heating systems.
For assistance with your Honeywell product please visit
www.honeywell.com/yourhome
toll free at 1-800-468-1502.
Read and Save these Instructions
Patents Pending
® U.S. Registered Trademark
© 2004 Honeywell International Inc.
All Rights Reserved
Operating Instructions
Non-programmable Thermostat
or call Honeywell Customer Care
OPERATING INSTRUCTIONS
TH5110D
69-1713