First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Mains Powered Combined Optical Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024 - £64.55 inc VAT
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ESP Heat and Smoke Alarm for Two Wire Fire Alarm Systems
System Sensor 4W-B - 4-Wire Smoke Detector - Alarm Grid
Heat detector - Wikipedia
The 4 Primary Types of Heat and Smoke Detectors and Their Applications