UEI C161 Residential Combustion Analyzer

Part Number: C161
On Sale: $599.95 $509.96
Your Savings:$89.99(15%)
temporarily out of stock - back in stock in 5 to 10 days
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UEI C161 Flue Gas Combustion Analyzer

Flue Gas Analyzer with Direct CO2 Measurement

The C161, with EOS Technology, eliminates the number one hassle experienced by HVAC technicians, the cost and down time of replacing the CO sensor. The EOS award-winning technology for combustion analysis replaces the everyday electro-optical sensor with EOS CO technology, lowering the cost of ownership. The C161 offers direct CO2 measurement and features a 30 second start up time.

6-Line Display
See all your readings on one screen.

EOS Technology
Lower cost-of-ownership over your analyzer’s lifetime.

NOx Filtered
Better accuracy, avoids cross contamination.

Water Trap Indication
Alerts you when the water trap is getting full.

High Altitude Compensation
Automatically compensates readings for altitude.


  • Measures: CO, CO2, Flue and Ambient Temperature
  • Calculates: O2, Efficiency (Net or Gross), Excess Air, CO/ CO2 Ratio and Differential Temperature


  • 8 preprogrammed fuels
  • IR printer port (works with IRP-2 and KMIRP-2)
  • Low flow detection
  • Auto-purge at shut down
  • Protective rubber boot w/ magnet
  • 30 memory positions
  • 1-Year limited warranty

No O2 Sensor - What it means to you

UEI C161 O2 Graphic

UEi Combustion Analyzer Comparison

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$317.45 $269.83 Sale
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