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Replacement Recommendation for a Costar Model 12RV-D Monitor  

Updated 10/03/2024 | Published 07/25/2024

Question:

I have the 3 wire Costar Model 12RV-D monitor. The old round one. What is suggested to replace it? Thanks

0

Expert Reply:

Hey Craig, thanks for reaching out!

I recommend using either the RV Safe Gas and Carbon Monoxide Detector which comes in Black # RS54FR as well as White # RS34FR.

These only install with two wires (red for power and black for ground) so whatever function your third wire carries won't be needed.

expert reply by:
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Jon G
Bill W. profile picture

Bill W.

10/3/2024

The Costar has two +12VDC connections and a ground. I understand that one +12vdc comes from chasis and the other comes from the motor home in case one of the batteries go dead

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