My Atwood 31011 CO/LP detector was chirping. It was at end of life and after a little research, determined that a RV Safe RVCOLP-2W covers the hole from the Atwood. Apparently the Atwood 31011 has been discontinued.
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2014 F-250 6.7 with Timbrens
2015 Voltage 3605
Maybe you can disconnect from power, take out any battery(if one). or disable it some way and leave in place to cover the hole and install another one someplace else.
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Mike & Emily-Sacramento, CA
Our 4th trailer (2016 Aspen Trail 1900RB)
2018 F150 STX 2.7 Eco Boost