Tag: RTH7400 Programmable
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Honeywell Home RTH7400 Programmable Thermostat Quick Installation Guide
Honeywell Home RTH7400 Programmable Thermostat Included in your box Tools you will need Tools you may need Read and save these instructions Removing your old thermostat Turn power OFF. To protect yourself and your equipment, Turn off the power at the breaker box or switch that controls your heating/cooling system. Check that your system is…
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Honeywell Home RTH7400 Programmable Thermostat User Manual
Honeywell Home RTH7400 Programmable Thermostat Introduction This is a legacy product document supported by Resideo. It is no longer manufactured This manual covers the RTH7400 and RTH7500 models. (Pull thermostat from wallplate and turn over to find model number) This thermostat contains a Lithium battery which may contain Perchlorate material. Perchlorate Material—special handling may apply,…