MTI Safe-T-Alert Combination CO/LP Alarm | 25-741-BL | 25 Series

Protect your RV with dual-gas detection using the MTI Industry Safe-T-Alert Combination CO/LP Alarm (Part #25-741-BL). Genuine MTI OEM 25 Series combination detector — one compact unit that detects BOTH Carbon Monoxide (CO) AND explosive Propane (LPG) gas simultaneously. Latest microprocessor technology with two independent electronic self-cleaning sensors. Black finish.

⭐ Dual-Gas Detection in One Unit — Standout Feature

Standout combination vs single-gas detectors: detects BOTH CO and explosive LP gas in one compact unit. Meaningful benefits:

• Two safety systems in one — no need for separate CO and LP detectors
• Single install location, single power connection — simpler retrofit
• Two independent sensors operating separately — reliable dual monitoring
• Simultaneous detection capability for both hazards

⭐ Microprocessor Technology + Self-Cleaning Sensors

Standout reliability features vs older-generation detectors:

• Latest microprocessor technology — intelligent detection logic
• Two electronic self-cleaning sensors — maintain accuracy over time without user intervention
• Independent sensor operation — CO and LP detection function separately

⭐ Recheck Cycle Prevents False Alarms

Standout intelligence feature: recheck cycle before alarming. Meaningful benefit:

• Brief "puffs" of gas won't trigger alarms — reduces nuisance alerts
• If high gas levels persist during recheck, the detector alarms — real hazards still trigger reliable warnings
• Meaningful balance between sensitivity and everyday livability

⚠️ Cross-Sensitivity to Other Gases

Important buyer note: this detector is specifically listed as a CO and Propane gas detector for RV use. Other explosive gases may cause false alarms, including:

• Acetone
• Alcohol
• Butane
• Gasoline

Keep these substances away from the detector to avoid nuisance alarms. The electronic CO sensor is very sensitive to CO gas but does NOT react to safe levels of most other gases.

Why Combination Detection Matters for RVs

RVs have both hazards in one enclosed space:

• CO risk: generators, furnaces, propane appliances producing incomplete combustion
• LP risk: propane leaks from tanks, fittings, or aging appliance components
• Both gases are invisible and can accumulate to dangerous levels while you sleep

A combination detector provides continuous dual-hazard monitoring without the complexity or cost of two separate units.

Related MTI Safe-T-Alert Products

Other Safe-T-Alert alarms in the catalog:

• MTI Safe-T-Alert Propane Leak Detector (30-442-P-BR) — LP-only detector, brown flush mount

Cross-Reference Part Numbers

• Manufacturer Part Number: 25-741-BL

Black Finish

⚠️ Professional Installation Recommended

Installation involves mounting the detector at the correct height for both CO and LP detection, 12V DC electrical wiring integration, and functional testing. Installation should be performed by a qualified RV service technician unless you have prior experience with RV safety appliance installation.

Genuine MTI Industry Safe-T-Alert OEM

Key Features

• Genuine MTI Industry Safe-T-Alert OEM combination CO/LP alarm
• Manufacturer Part Number: 25-741-BL
• Series: 25 Series
• ⭐ Dual-gas detection — CO AND LP in one unit
• ⭐ Two independent electronic self-cleaning sensors
• ⭐ Latest microprocessor technology
• ⭐ Recheck cycle — prevents nuisance false alarms from brief gas exposure
• Listed as CO and Propane gas detector for RV use
• Black finish

Specifications

• Brand: MTI Industry (Safe-T-Alert)
• Manufacturer Part Number: 25-741-BL
• Type: RV Combination CO/LP Gas Alarm
• Series: 25 Series
• Detection: Carbon Monoxide (CO) AND Propane (LPG) gas — simultaneous dual-sensor
• Sensor Design: Two independent electronic self-cleaning sensors
• Technology: Microprocessor-based intelligent detection
• False Alarm Prevention: Recheck cycle before triggering alarm
• Cross-Sensitivity: May false alarm on acetone, alcohol, butane, gasoline
• Listing: CO and Propane gas detector for RV use
• Color: Black
• Warranty: Manufacturer's warranty