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Residential Combustion Analyzer

Backed by UEi Service+ to give up to 10 years of warranty, SAME DAY GUARANTEED recertification, and a reduced cost of ownership.

See the complete UEi Service+ details here

The C161 Residential Combustion Analyzer is easy to use and features a newly added heat exchanger test, differential temperature, rugged design, multiple sensor protections, and altitude compensation. This analyzer calculates essential information for installing and maintaining gas appliances. Prints to optional printer.

The C161 is also available as:

C161C: Analyzer and Carrying Case

C161KIT: Analyzer, 2 Thermocouples, Printer, and Carrying Case

C161OIL: Analyzer, Smoke Pump Tester, and Carrying Case

C161OILKIT: Analyzer, Smoke Pump Tester, 2 Thermocouples, Printer, and Carrying Case


Up to 10-Year Warranty with Annual Recertification Yes
Eligible for UEi Service+ Yes
2 Types of Sensor Protection Yes
NOx Filtered Yes
Low Flow Detection Yes
Backlight Yes
Temperature Inputs K-Type
Temperature Differential Yes
Wireless Output Yes
Protective Boot/Overmolding Yes
Preprogrammed Fuels 8
Start Time 30 second
High Altitude Compensation Yes
Memory positions 30
Magnetic Mount Yes
Warranty 10-Year limited
Recording/Data Logging Yes
K-Type Input Yes
Digital Yes
Automatic Fresh Air Purge Yes
Number of Display Parameters 6 line
IR Printer Link Yes
Protective Water Trap Yes

CO 2000ppm
CO2 20%
O2 21%
Flue Temperature 32˚ to 1112˚F
Inlet Temperature 32˚ to 1112˚F
Heat Exchanger Test Yes
Differential Temperature Yes
K-Type Temperature Range -40˚ to 950˚F (-40˚ to 950˚F

IEC 61010 IEC62321-2:2013, IEC62321-1:2013, IEC62321-3-1:2013, IEC62321-5:2013, IEC62321-4:2013, IEC62321-7-2:2017, IEC62321-7-1:2015, IEC62321-6:2015
CE Conformity Yes
RoHS Yes
REACH Compliant Yes
AHRI 1260 Standard Yes
Certification The C161 is independently tested and certified to EN 50379, Parts 1-3 in accordance to 1st German Federal Emission Control Ordinance (BlmSchV)
EMC EN50270:2015
Safety EN61010-1:2010

Quick Start Guide Yes
Batteries Rechargeable AA (3)
Flue Probe CP2
USB Cable AACA5 (Micro USB)
Water Trap SM50515

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Optional - Replacement Accessories