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A working LP gas alarm is one of the most important safety devices in any propane-equipped RV. This MTI 30-442-P-BL is a 12-volt DC, hardwired propane/LP gas alarm in a black flush-mount housing, sized as a replacement for a factory-installed RV propane detector.
It wires into your rig's 12-volt system so it's always monitoring, with no batteries to remember to change. Because propane is heavier than air and settles low, this style of detector is designed to mount down near the floor where a leak would collect. Confirm the part number and mounting style match your existing detector before ordering.
Detectors have a service life, so a fresh alarm is cheap insurance for you and your family.