UEi C165 Combustion Analyzer NOx Filter Kit with BlueTooth
The UEi C165BTKIT Combustion Analyzer comes with two K-type temperature probes, an installed wireless module, award winning EOS technology and high altitude compensation that will directly measure CO, CO2, differential temperature, as well as pressure, and will calculate O2, CO/CO2 ratio, gross/ net combustion efficiency, excess air, and CO air free. HVAC service technicians will use these measurements to analyze, improve, and verify the efficiency and safety of any fueled fired appliance such as boilers, furnaces, and water heater for residential and commercial environments as well as commissioning jobs.
Key Features
- High Altitude Compensation
- No O2 sensor replacement
- NOx filtered CO sensor
- Purge Pump
- Structured Commissioning Test
- EOS Technology
- Installed Wireless Module
Overview
The C165KIT extended life combustion analyzer eliminates the annual calibration and replacement of the 02 sensor by using EOS technology. EOS technology utilizes an electro-optical sensor (EOS) to measure CO2 levels and then uses this value to calculate O2 levels. The EOS sensor uses optical readings that keep the sensor from physical contact with the gas, thus prolonging its life greatly (up to 10 years).
The C165BTKIT has a dilution pump which helps to protect the CO sensor (NOx filtered) from high concentration that otherwise might damage the sensors. It can also measure CO levels in ambient air- useful when a CO alarm is triggered as well as perform a room CO test for up to 30 minutes duration.
CO2 is set to zero in fresh air automatically after the initial countdown. The countdown varies between 90 and 60 seconds dependent on ambient temperature. It is important that re-zeroing is done in outside fresh air as indoor CO2 levels are affected by human breath.
The UEi C165BTKIT will also perform a Commissioning Test to measure CO level and CO/CO2 combustion ratio and record those figures (assuming they are within expected tolerance) in order to complete the appropriate commissioning document. This process gives both the customer and the registered commissioning engineer evidence that the boiler has been left in a safe and efficient working condition.
UEi Service + Program
UEi has a new Service+ Program for the C161, C163, and C165+ combustion analyzers to keep your analyzer performing at its best. All flue gas analyzers drift out of calibration over time, regardless of use. However, with the new UEi Service+ Program, you can be confident that your analyzer is operating at the manufacturer’s specification to provide your customers with the best service possible.
The new Service+ Program offers:
1-Year warranty extension, up to 10 years, recertification with a 30-point inspection, a 8-hour service turnaround and Free UPS ground shipping to and from the UEI ISO-certified Indianapolis service center. By booking recertification of your C160 analyzer within 12 months from the date of purchase or the date of the last recertification, you will receive reduced service pricing that lowers the cost of ownership. For more information or to register your UEi combustion analyzer go to www.ueitest.com/service.

What’s in the Box?
- Combustion Analyzer
- 12” Flue Probe w/ 10’ Hose
- Inlet tube / Probe connector
- Particle Filter (spare)
- AC Adapter
- K-type Temperature Probe (2)
- Installed Wireless Module
- Hard carrying case
- Owner's Manual
- Up to 10 Year warranty with annual recertification
Other UEi C165 Options: