Also suitable as a Residential Gas Detector
THANK YOU for purchasing this combination alarm. It is designed to detect carbon monoxide and
natural gas (methane) which reaches the sensor. It is not designed to detect fire, heat, flames or any
other gas. This manual includes important information regarding where to install the alarm, how to
operate, maintenance, testing and product features. It also includes tips and information which
could help protect you and your family.
How to Install .......................................................................... 5
Reset Feature ......................................................................... 6
Warranty ................................................................. Back Cover
Models MCN400, MCN400L,
Plug-In Carbon Monoxide &
Natural Gas Alarm with
Backup Battery Protection
Models MCN600, MCN600L,
120 VAC, 60 Hz, 100 mA Maximum
Single Station Carbon Monoxide Alarm
PLEASE READ AND SAVE!
Table of Contents:
MCND401, MCND401L
MCND601, MCND601L
Certified to Standards
UL 2034 & UL 1484
Single Station
Carbon Monoxide Alarm
Also Suitable as a
Residential Gas Detector
Page #
Need help?
Do you have a question about the MCN400 and is the answer not in the manual?
Questions and answers