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Safe T Alert

Safe T Alert 35 Series Dual LP/CO Alarm - Propane and Carbon Monoxide Alarm - Flush Mount, Black - 35-742-BL

  • Based on 2,352 reviews
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Availability: Only 5 left in stock, order soon!
Fulfilled by Willy Goodprice [AUTHORIZED DEALER]✅
Arrives Aug 11 – Aug 17
Order within 22 hours and 26 minutes
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Features

  • DUAL PROPANE & CO DETECTION Patented Double-Duty Alarm upgrades your RVs safety by combining Propane Gas and Carbon Monoxide detection in one unit. Replaces single 12V propane alarms without extra wiring or modifications.
  • EASY RV UPGRADE Flush mount design fits Class A, B, C Motorhomes, Travel Trailers, Fifth Wheels, and Campers. Direct replacement for Safe-T-Alert 30-442 and most CCI Controls flush mount propane alarms.
  • 12V POWERED, NO BATTERIES NEEDED Operates on 12v DC (108mA @ 12v DC) for reliable, maintenance-free protection. Includes low voltage warning and power-conserving circuitry.
  • ADVANCED SAFETY FEATURES Alarm Mute button allows safe ventilation, while a rapid recovery sensor reactivates if propane or CO levels stay dangerous. Self-resetting for continuous protection.
  • CERTIFIED PERFORMANCE Operates in extreme temperatures from -40F to +158F

Brand: Safe T Alert


Style: Black, Flush Mount


Power Source: Corded Electric


Color: Black


Product Dimensions: 1"D x 6.38"W x 2.88"H


Item Weight: 6.4 ounces


Alarm: Audible


Sensor Type: DUAL_LP_CO


Global Trade Identification Number: 47


Material: Plastic


Power Source: Corded Electric


Alarm: Audible


Sensor Type: DUAL_LP_CO


Product Style: Black, Flush Mount


Color: Black


Item Dimensions D x W x H: 1"D x 6.38"W x 2.88"H


Item Weight: 6.4 ounces


Enclosure Material: Plastic


Brand: Safe T Alert


Model Number: 35-742-BL


Global Trade Identification Number: 47


Manufacturer Warranty Description: Warranty


Unit Count: 1 Count


Number of Items: 1


Manufacturer: MTI Industries


UPC: 715456357447


Built-In Media: Safe-T-Alert by MTI Industries 35-742-BL Dual LP/CO Battery Powered Alarm - 12V, 35 Series Flush Mount, Black


Item Type Name: Safe-T-Alert by MTI Industries 35-742-BL Dual LP/CO Battery Powered Alarm - 12V, 35 Series Flush Mount, Black


Mfr Part Number: 35-742-BL


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Aug 11 – Aug 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • GOOD PRODUCT as Advertised...
Style: Black, Flush Mount
Fair Price - Fast Delivery.. It was an exact exchange so it was a perfect fit for my Camper, fairly easy to install...
Reviewed in the United States on June 8, 2026 by Junior Mink
    • Easy install in my RV, great detector
Style: Black, Flush Mount
Great fit for my RV. Easy to install.
Reviewed in the United States on July 18, 2026 by JCook2274
    • easy install, works as advertised
Style: Black, Flush Mount
replaced our old CO/LP monitor with this flush mount one. easy to install and works as advertised.
Reviewed in the United States on May 4, 2026 by Miranda
    • Direct Replacement
Style: Black, Flush Mount
Review Image by sharon hall
Mine was a recent date and was a direct replacement for my out of date system. Pleased with the product.
Reviewed in the United States on June 11, 2026 by sharon hall
    • Easy swap out
Style: Black, Flush Mount
Perfect fit for my RV. Installation is simple
Reviewed in the United States on May 27, 2026 by Cagirl60
    • Time was up
Style: Black, Flush Mount
My husband said it was easy to change out the unit that was in our trailer was 4 years old so it was time for a change for safety purposes as It beeped to let us know.
Reviewed in the United States on June 12, 2026 by stacie Strickland
    • It’s very easy DIY
Style: Black, Flush Mount
Perfect replacement and only takes a minute or two to install
Reviewed in the United States on May 21, 2026 by peter oliviero
    • Take pictures before and after, especially the wiring, if you are unfamiliar with electricity.
Style: Black, Flush Mount
In my case, it required some instalation. Not bad though. Seems to be doing what it's supposed to.
Reviewed in the United States on June 14, 2026 by Jasper

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