911154 Carbon Monoxide Monitor & Ventilation Fan Controller

Conspec’s 911154 Ventilation Fan Controller Series is based on OSHA guidelines and various National, State, or Local Buildings Codes designating that areas where toxic gases exist or may accumulate must be continually ventilated or have a gas monitoring device installed. In the event that and unsafe level of Carbon Monoxide is detected, the monitor will signal ventilation fans to cycle and operate until the area’s atmosphere returns to a safe level. Electricity and heating expenses will be dramatically reduced because ventilation fans are only operating when needed as opposed to constantly. Energy savings of up to 85% can be achieved, and in most cases the return on the cost of the system could be realized in 1-year or less.

A single controller will provide up to 10,000 square feet of protection. Multiple controllers can be installed and easily connected without the need for a central panel by a simple series connection of the controllers. LED indicator lights clearly show the status of the monitor and a large LCD display continually shows the CO levels being monitored. After a power loss or in the event of a malfunction, the controller activates the ventilation system.


Enclosure Type NEMA 4-4X Non-Metallic (UL & CSA Approved) Optional Power
Power Input Audible Alarm 80db @ Three Feet
Dimensions 4.3" x 2.2" x 3" Operating Temp -20 to 50° C; -4 to 120° F
Display Two Line, 8 Character Alphanumeric LCD Display Fuse
Response Time < 30 seconds, 90% Final Level, Using 250PPM Sensors Electrochemical


  • Bright LCD Display
  • LA City Approved
  • Self Diagnostic Testing
  • 5 Year Sensor Life
  • Onboard Audible 80db Alarm
  • Onboard Relay Contacts
  • Temperature & Humidity Compensated
  • Effortless Installation of Single or Multiple Controllers
  • Full 2 Years Limited Warranty
  • Automatic Reset After Power Loss
  • Offers 10,000 Square Feet of Coverage
  • No Programming or “Burn-In Time” Required
  • Gas Specific Sensors equal No False Alarms
  • Maintenance Free Operation
  • Non-Intrusive Calibration Procedure
  • Adjustment Free, One Person Calibration Procedure
  • Reliable & Flexible Monitoring System


  • Enclosed Parking Garages
  • Factories
  • Warehouses
  • Boiler Rooms
  • Generator Rooms
  • Vehicle Maintenance Facilities
  • Tunnels
  • Fire/Police Stations
  • Bus Terminals & Depots
  • Car Dealerships
  • Rail Stations
  • Sallyports
  • Service Bays
  • Utility Plants

Options and Replacement Parts

UP99 Infrared Handheld Programmer P1879-CO/VC Calibration Kit


911154 - Carbon Monoxide Monitor & Ventilation Fan Controller

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