The Safe-T-Alert 25 Series Dual CO/LP Gas Detector combines powerful alarms to effectively detect both Carbon Monoxide (CO) and explosive gases, including Propane (LPG) and Methane (Natural Gas), inside your RV. Its reliable performance ensures that you and your family can travel with peace of mind, knowing your camper is protected against these hazardous gases while enjoying the open road.
• Upgrades single 12V propane alarms to a dual detector for both propane gas and CO
• Rapid recovery sensor resets when silenced, reactivating if dangerous levels persist
• Perfect for Class A, B, and C motorhomes, travel trailers, fifth wheels, and truck campers
• Mute button silences the alarm while the RV is ventilated
• 12V power ensures no missing or dead batteries
• Features a self-cleaning sensor for reliable performance
• Low voltage warning activates at 7 volts
• Easily surface-mounted on walls
• Powerful alarms sound at up to 85 dB
Specifications
Power Supply and Current Draw: 108 mA at 12 VDC
Dimensions: 4-1/2″W x 3-1/4″H x 1-1/4″D
Meets RVIA/NFPA Requirements and Listed to UL 1484 RV and UL 2034 RV
NOTE: Does not include trim ring
Before You Order
Verify part number 25-742BL exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 25-742BL on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.




