25+ Universal Carbon Monoxide And Natural Gas Alarm Mcnd401 UK. The co and natural gas alarm will only indicate the presence of co or natural gas the alarm will chirp once to indicate the reset is now complete. Mcnd401 and mcnd601 series only:
It has all the features you need in a co alarm and goes a step further in detecting natural gas.
Combines carbon monoxide and natural gas sensing technology. Usi electric, inc 00042741204019 mcnd401b 042741204019. Universal security instruments mcnd401b instruction manual and user guide. Carbon monoxide and natural gas (methane).