Recommended Replacement For An Atwood 900-0143 Carbon Monoxide And LP Gas Detector
Updated 01/05/2026 | Published 09/13/2024
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Question:
What do you suggest I replace my Atwood model 900-0143 CO alarm with?
asked by: Glen L
0
Expert Reply:
Hi Glen,
Atwood LP detectors are phased out with only a few options still floating around out there so your best option would be to replace it with one from RV Safe. These are 4-1/4" long x 2-5/8" wide x 1/2" thick, come in black or white, are a surface mount design, and include two different trim rings to help cover up any gaps left by the old detector.
White # RS34FR
Black # RS54FR
expert reply by:
Kevin C
0
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Jerred H.
1/5/2026
Hey Glen, how did the replacement with the RV Safe detector work out for you? Your update could make it easier for others looking to swap out their old Atwood alarm.