Propane Detector Replacement For Older Atwood 33535E
Updated 09/12/2025 | Published 05/23/2025
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Question:
I need a propane detector for my 2017 Winnebago micro mini camp trailer the original Atwood propane detector went bad so I need a new one the numbers are PP00384842 33535E just curious what the replacement would be for this being dometic bought out Atwood thank you for your time
asked by: Justin L
Expert Reply:
Hey Justin,
The propane detector by Atwood is no longer available, even with Dometic. The best option for a replacement I recommend is # RS54FR, this is a propane and carbon monoxide detector. If you are just looking for propane I recommend # RS44FR as a replacement.
This may not be the exact size as your original detector, so you may have to use something to fill in the gaps of the mounting hole if needed. It comes with 2 mounting brackets for different size openings. The smaller being 5-3/4" long x 4-1/4" wide and the larger bracket being 7-1/4" long x 3-3/8" wide.
This uses the same 12v, 2 wire installation that your current one uses so the only work around will have to be the opening, depending on your original detectors size.
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Nick S.
9/12/2025
Hey Justin, did you have a chance to try out the propane or the propane and carbon monoxide detector I recommended? I'm curious to know how it worked out for you, as it could help others looking for a similar replacement.