Clearance M-2A Fuel Vapor Monitor
Mouse Over to Zoom
Click to Enlarge

FIREBOY-XINTEXM-2A Fuel Vapor Monitor

Model # 308924 | Mfg # M-2A-RUPC # 619749211563

This item is no longer available.


M-2A Fuel Vapor Monitor

Name Value
Controls 2 Test Buttons; 1 Mute Button
Dimensions 4 3/4" Width x 3 3/4" Height x 1" Depth
Features Internal Sensor
Second Sensor
Sound Signal 75 Decibel Audible Horn
Type Gasoline
Voltage 12 Volts DC
Warranty Details One Year
Wire Lead Length 20 Foot Sensor Wire

Product Overview

A state-of-the-art fuel-vapor monitor with two-channel monitoring capability for the addition of a second sensor. When potentially dangerous fumes are detected, an alarm sounds and a warning light is illuminated. The unit consists of a monitor display module and MS-2 gasoline and propane sensor.

  • Types of Vapor Monitored: Gasoline and propane
  • Alarms: 85dB audible horn
  • Minimum Vapor Level for Activation: 18-20% LEL@70F
  • Monitoring Algorithm: Instantaneous readings
  • Display Size: 5" x 4"
  • Controls: 2 test buttons, 1 mute button
  • Power Requirements: 12V DC
  • Sensors Required/Included: Built-in; optional MS-2 second channel
  • Sensors Monitored: One included and one additional optional MS-2 Sensor
  • Case Dimensions: 4-3/4"W x 3-3/4"H x 1"D
  • Mounting Hardware Included/Required: No: requires two in-line fuse holders, one 1-ampere fuse, one 1 1/2 ampere fuse, wire nuts for #16 and #20 gauge wire
  • Wiring Hardware Included: 20' sensor wire


The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Related West Advisor Articles


Product Q & A