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UEi Combustion Analyzer C161
UEi Combustion Analyzer C161

UEi Combustion Analyzer C161

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On Sale: $599.95 $509.96
Retail Price:$599.95
You Save:$89.99(15%)
The UEi combustion analyzer C161 is an affordable entry-level flue gas combustion analyzer with EOS Technology. Uei C161 comes with everything needed to conduct and document professional analyses on furnaces, A/C heat pumps, boilers, and water heaters. The UEi C161 combustion analyzer comes with a NOx filtered CO sensor. The CO2 electro-optical sensor (EOS) directly measures carbon dioxide and calculates O2, efficiency (net or gross), excess air, CO/CO2 ratio, and differential temperature.
MFG Part No.: C161
Availability: In Stock. Free Shipping.
Save w/ Promo Code: ueicombustion
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UEi C161 Residential Combustion Analyzer

The New UEi C161 features everything you needed to conduct and document professional analyses on furnaces, A/C heat pumps, boilers, and water heaters.

Get Additional Discount with Promo Coupon Code - ueicombustion
Add to Cart - Apply Promo Code and enjoy your Discount.


The UEi C161 Flue Gas Combustion Analyzer is designed to eliminate the biggest hassle in combustion analyzer ownership: sensor deterioration and replacement. Innovative EOS (Electro-Optical Sensor) Technology eliminates the costliest routine issue, which is replacing the oxygen sensor. This UEi Combustion Analyzer comes with a standard CO sensor like other analyzers, but instead of an electro-chemical oxygen sensor it has an Optical/Laser CO2 sensor. Typically, an O2 sensor degrades quickly because there is oxygen in the air all around us. But, by measuring CO and CO2, O2 values can be calculated exactly. This way all your readings are just as accurate but without the cost of having to constantly replace the O2 sensor. That technology puts this UEi C161 Combustion Analyser at the cutting edge of the industry.

Key Features:


  • Precision measurement of CO, CO2, and flue plus ambient temperature
  • Accurate calculations for O2, excess air, CO/CO2 ratio and differential temperature
  • Compensation for high altitude
  • Backlit display with 6 lines
  • Memory storage for 30 data points
  • CO sensor with NOx filtration
  • CO2 sensor with optical measurements (EOS technology)
Introducing the great benefits of UEi Service+. Register your combustion analyzer with UEi and get notified when its time to recertify.

UEi C161 Combustion Analyzer

Why to choose UEi Combustion Gas Analyzer ?

1 year warranty extendable to 10 years
SAME DAY recertification
Free UPS ground shipping to/from Indianapolis facility


Save more with promo code: ueicombustion

In Stock and Ready to Ship Free Today.

What’s in the Box?


  • Flue gas combustion analyzer (C161)
  • Flue probe w cone & hose (CP2)
  • USB charging cable
  • 3 AA rechargeable batteries
  • Quick Start Guide
  • Up to 10 Year warranty with annual recertification

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