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Thermostat Modules
A thermostat module enhances the capabilities of the thermostat system, providing additional features, connectivity options, and energy efficiency measures to create a more comfortable and convenient indoor environment.
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Honeywell ATM100-SPK
New Item!
$17499
In Stock
Honeywell YTHM5421R1010
New Item!
$11499
In StockAbout Thermostat Modules
A thermostat module is a component of a thermostat system. These modules add functionalities or features to the overall thermostat system and can vary in the complexity and capabilities they provide. For example, a thermostat module may facilitate wireless communication, zoning, programming, or smart-home integration. Some models offer occupancy and humidity sensing.
Our selection of thermostat modules includes models compatible with line-voltage and 24-volt Honeywell thermostats.