CO2 CellarWarn /CellarAlarm

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GasAlarm Systems CellarWarn or CellarAlarm is a unique product in the marketplace.

The kit is AS5034-2005 compliant.

  • The CellarWarn kit consists of a central unit (240 VAC operation) with integrated CO2 sensor.
  • The CellarWarn central unit also contains an alarm light & siren to warn you to get out.
  • The CellarWarn Door Entrance Module/Repeater is to be mounted outside the entry door to warn staff before entering the room.
  • If your cellar is large the system can easily accommodate a second CO2 sensor! No need for a completely separate system!
  • If you need O2 monitoring as well, this too can easily be added. No need for a completely separate system!
  • If you have multiple entry doors, we can also offer additional Door Entrance Modules.
  • Details on our unique self-service plan below.


  • We will call you after 6 months to order a replacement sensor.
  • Pay a service fee ($150+GST including postage) and a deposit ($500+GST) via creditcard (Visa/MC only)
  • We will send out the SINGLE replacement sensor, which will be calibrated with a certificate to meet your OH&S/WH&S obligations.
  • Test the system once the sensor is swapped from the Door Entrance Module.
  • Send the old sensor back (self addressed satchel included), once received, we shall refund the deposit ($500+GST).
  • We repeat every 6 months!
  • A simple video showing the self-service can be found by clicking here