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Environmental Sensors 
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Environmental sensors can work alone or with your security system to provide an instant alert in the event of a problem, including a water leak, an unexpected temperature change, or the presence of smoke or carbon monoxide. Shop by sensor type or compatibility.

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On Clearance
Kelvin Talking Thermostat
Kelvin Talking Thermostat
Part # 30569
$169.99
Sale $117.00
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