From the Manufacturer

This attractive one-piece Honeywell digital non-programmable thermostat features advanced temperature monitoring to minimize temperature swings ensuring your complete comfort. The RTH5100B has a green backlight and easy soft touch key operation. This thermostat also keeps the temperature settings in case of a power outage. Simple peace of mind and total home comfort. Works on all central heating and cooling systems including heat pumps without auxiliary heat (more…)

From the Manufacturer

Features dustproof, mercury switch, adjustable heat anticipator and a two or three wire wallplate for heating only, cooling only, or heating/cooling system with remote switching. Range 40-90 degrees F.

Deluxe, White Finish Round Manual Heat/Cool Thermostat, Decorative Ring Cover, Clam Shell.

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From the Manufacturer

This attractive one-piece Honeywell digital non-programmable thermostat features advanced temperature monitoring to minimize temperature swings ensuring your complete comfort. The RTH5100B has a green backlight and easy soft touch key operation. This thermostat also keeps the temperature settings in case of a power outage. Simple peace of mind and total home comfort. Works on all central heating and cooling systems including heat pumps without auxiliary heat (more…)