1. Do not mount the device in areas where the ambient temperature is under 40 degrees Fahrenheit or over 120 degrees Fahrenheit.
2. The device mounts to a 4x4 or an electrical box.
3. Do not house the HD-11 inside any type of enclosure. The detector works best in areas with unobstructed air flow.
4. Do not mount the device in a corner.
The HD-11 is a detector of hydrogen gas. It cannot detect fire, carbon monoxide gas, or smoke in the atmosphere.
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