This is a New Honeywell 7-Day Chronotherm IV Plus, Programmable Fuel Saver Thermostat with installation Guide. Honeywell part # T8600D2127. Lennox Cat # 37l59, 37l5901, 27H31, 27H3101.

If you need this part you may need it fast. We will ship immediately after payment clears. Contact us if you have any questions..

                            

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