Honeywell Thermostat Rth221b Manual. Honeywell Rth221b Manual Page 1 RTH2300/RTH221 Programmable Series Thermostat Owner's Manual RTH221B1047 RTH2300B1020 Read before installing For help please visit resideo.com Identify System Type This thermostat is compatible with the following systems. To wire the Honeywell RTH221B thermostat for a natural gas fireplace with two wires, follow these steps: 1
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Owner's manual (9 pages) Summary of Contents for Honeywell RTH221B1047 The main purpose of the Honeywell RTH221B thermostat is to regulate the temperature in the room where it is installed
Honeywell Home Thermostat Rth221b Manual
Connect the Wires: - Attach one wire to the "R" terminal on the thermostat. Do you have a question about the Honeywell RTH221B1021/A or do you need help? Ask your question here Owner's manual (9 pages) Summary of Contents for Honeywell RTH221
Honeywell RTH221B1039 Operating Manual Free PDF Download (48 Pages). View the Honeywell RTH221B1039/E1 manual for free or ask your question to other Honeywell RTH221B1039/E1 owners Do you have a question about the Honeywell RTH221B1021/A or do you need help? Ask your question here
Honeywell RTH221B Thermostat Quick Installation Guide. For help please visit yourhome.honeywell.com RTH2300/RTH221 Series Programmable Thermostat Identify System Type This thermostat is compatible with the following systems: • Gas, oil or electric furnace • Central air conditioner • Hot water system with or without pump • Millivolt system According to the manual, this thermostat works on 24-volt or 750 mV systems and will not work on multi-stage conventional systems