Kane 258 Flue Gas Analyser (Choice of kit)



  • Entry level FGA for domestic gas applications
  • Easy to use rotary dial
  • Purge pump protection prevents accidental damage to CO sensor
  • Hydrogen (H2) ready – up to 20% blend
  • 10 year Kane warranty
More Information
Warranty6 years
Price MatchNo
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KANE258 Domestic Flue Gas Analyser

The Kane 258 combustion analyser has been designed as an affordable analyser for everyday domestic boiler installation and servicing. It features CO sensor protection, preventing accidental damage to the CO sensor as a result of over exposure. The Kane 258 is also future proofed as it is Hydrogen ready up to a 20% blend.

Available on its on with standard accessories, or as a kit which includes a printer and carry bag, the Kane 258 is encased in a protective rubber over mould with built in magnets, allowing it to be adhered to the boiler for 'hands-free' operation. The flue probe can also be held in place using the depth cone.

Another advantage of the Kane 258 is the 6 line display which shows ratio, CO, CO2, excess air and combustion efficiency all on one screen without the need to scroll through. The screen itself is backlit for easy visibility in all light conditions.

How to use the Kane 258 combustion analyser

Kane 258 key features

  • Entry level FGA for domestic gas applications
  • Easy to use rotary dial
  • Backlit screen with 6 line display
  • Purge pump protection prevents accidental damage to CO sensor
  • Hydrogen (H2) ready – up to 20% blend
  • Wireless option (contact us)- Connect to KANE LIVE & GAS CHECKER Apps
  • Data hold, log & print with user details to optional printer
    - Produce test reports: Combustion & temperature
  • 10 year 'no quibble' warranty when recertified by KANE


  • Install & service domestic oil & gas appliances
  • Combustion performance checks
  • Combustion efficiency checks


  • CO 0-2,000ppm
  • O2 0-21%
  • Differential temperature


  • CO2 0-20%
  • CO/CO2 ratio
  • Excess air
  • Combustion efficiency

Kane Flue Gas Analyser Range

The latest range of three flue gas analysers from Kane, the 258, 358 and 458s, are all designed to suit each individual engineers requirements and budget.

The entry level 258 is an ideal affordable, everyday analyser. Those requiring tightness, let by and pressure testing can opt for the 358, whilst the top of the range 458s goes further with room CO, KANE LINK, wireless as standard and range of sensor options.

Kane 258 / 358 / 458 comparison

FeaturesKane 258Kane 358Kane 458s
Domestic commissioning and servicing
Hydrogen ready (up to 20% blend)
10 year Kane warranty
Multi fuel:
Natural gas
Wood pellets
Light oil
Differential temperature measurement
Wireless connectivityOPTIONOPTION
Tightness / let-by and pressure-
Structured commissioning test-
Room CO--
KANE LINK ready--
Sensor upgrades available:
High range CO
Pro and CPA1 kits available-

Kane 258 Variants

 StandardPrinter Kit
Pressure Connectors
Quick Guide Reference
Calibration Report
IRP-2 Infra-Red Printer
Carry Bag

Carrying out a flue integrity test with the Kane 258

Kane calibration and service

What's included

  • Kane 258 flue gas analyser
  • Flue probe with depth cone
  • Pressure connectors
  • USB charger
  • Quick reference guide
  • Kane calibration report
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