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MTI Industries 35-742-BL Dual RV Propane and Carbon Monoxide Alarm 12V

Manufacturer

Mti Industries

<h3>About MTI Industries &amp; the Safe-T-Alert Brand</h3><p>MTI Industries is the manufacturer behind the trusted <strong>Safe-T-Alert</strong> line of safety alarms — a name that has become synonymous with reliable protection for RV owners, boaters, and outdoor adventurers. Focused exclusively on life-safety detection equipment, MTI designs and engineers alarms that guard against the invisible threats most likely to cause serious harm in confined spaces: carbon monoxide, propane and LP gas leaks, smoke, and combustible fumes.</p><p>What sets MTI Industries apart is a singular commitment to the environments where their products are actually used. Unlike household detectors built for stable, climate-controlled interiors, <a href="/7469-mti-industries-air-and-gas-leak-detector-201223">Safe-T-Alert gas leak detectors</a> are engineered to endure the vibration, shock, humidity, and extreme temperature swings that come with life on the road or water. Every alarm in the lineup is built to alert quickly and accurately without generating the nuisance false alarms that can cause users to disable critical safety equipment.</p><h3>Protecting RVs and Boats from Hidden Dangers</h3><p>Recreational vehicles and boats share a common challenge: they rely heavily on propane and other combustible fuels in tight, enclosed quarters — exactly the conditions where a slow leak or incomplete combustion can become life-threatening within minutes. MTI&apos;s <a href="/7469-mti-industries-carbon-monoxide-smoke-fume-detectors-200239">carbon monoxide, smoke, and fume detectors</a> are engineered with this reality in mind, offering standalone CO alarms, standalone smoke detectors, and popular dual-sensor units that monitor for both propane gas and carbon monoxide simultaneously in a single compact device.</p><p>For boaters, the hazards extend beyond gas — engine fumes and bilge vapors present their own risks. MTI&apos;s marine-grade detectors address these environments with sensors calibrated to avoid false triggers from common onboard smells like new boat off-gassing, while still catching real danger fast.</p><h3>Standards, Certifications &amp; Ease of Use</h3><p>MTI Industries products are designed to meet the rigorous standards set by organizations like UL, RVIA, and NFPA — certifications that matter when it comes to insurance compliance and campground regulations. Most Safe-T-Alert alarms run on 12V DC power, eliminating the need for frequent battery changes and making them a natural fit for RV and marine electrical systems. Installation is straightforward, and the product range covers both surface-mount and flush-mount configurations to suit a variety of vehicle layouts.</p><p>Beyond RVs and boats, Safe-T-Alert alarms also serve as dependable <a href="/200578-indicator-lights-engine-warning-alarms-mti-industries-7469">warning alarm solutions</a> in workshops, cabins, and any space where gas appliances or engines operate nearby. Whether you&apos;re a weekend camper, a full-time RVer, or a seasoned boater, MTI Industries offers purpose-built safety solutions designed to travel with you.</p>

Part Number

35-742-BL
09/15/2036 12:36 AM
Sale Price

$87.45

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MTI Industries 35-742-BL is a dual-function safety alarm designed specifically for the demanding RV environment. This flush-mount unit provides continuous monitoring for both propane (LP) gas leaks and carbon monoxide simultaneously, offering comprehensive protection in a single device.

Key Features:

  • Dual detection capability monitors both LP gas and carbon monoxide in one unit
  • 12-volt DC power operation eliminates the need for battery replacement
  • Engineered to withstand extreme temperature fluctuations and vibration in RVs
  • Remains fully operational during mute cycle and will re-alarm if hazardous conditions persist
  • Flush-mount design for clean, integrated installation
  • Direct replacement for Safe-T-Alert 30-442 series and CCI Controls 7770/7773 models without modifications
  • Meets RVIA/NFPA safety requirements
  • UL 1484 RV and UL 2034 RV Listed for verified safety compliance

This alarm is ideal for upgrading existing single-function propane detectors to a comprehensive dual-detection system, providing enhanced safety for RV occupants without requiring any modifications to existing mounting configurations.

Super fast service

Only issue I had was that order could not be completed on Amazon, stating "items cannot ship to your location." I simply went to your website and ordered items. So a little inconvenient, but no biggie.

Product was good and exactly what I ordered, but I expected it in 2 days as advertised on the website.

N/a

Very easy process:)

Easy order experience

Great product value

Dont kno just ordered

Best prices, Super fast shipping!

Good to shop with.

Great shopping experience so far

It was fast and easy. I would definitely do business with again.

good

Good prices and shipping costs

Nice a stuff

Love how cheap everything on this site is.

Quick.

Quick and easy to order

Very happy with my order and how smooth it went!! Thanks again!

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