Common Sources of Carbon Monoxide: Cars left running in attached garage; Clogged chimney; Corroded or disconnected water heater vent pipe; Gas or woodburning fireplace; Cracked or loose furnace exchanger; Improperly installed kitchen range or vent; Operating a grill indoors or in garage; Portable kerosene or gas heaters. Protect your family from the silent killer! 5 Year Warranty.
Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms. Kidde Worry-Free Living Area Smoke Alarm with Sealed Lithium Battery Power, Model P3010L | CVS Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms.