UEi C165+ Residential/Commercial Combustion Analyzer
$1,338.71
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4.9 out of 5 from verified customer reviews Read reviews →Description
The C165+ is an HVAC tool from UEi stocked by Buy Comfort Direct — full listing: UEi C165+ Residential/Commercial Combustion Analyzer. This page covers what it is, where it fits in a system, what to check before you order, and how it ships.
About the C165+
UEi C165+ Residential/Commercial Combustion Analyzer
Product Overview
Professional-grade combustion analyzer designed for residential and commercial HVAC applications. Features EOS technology for long-life CO2 sensing, eliminating the need for frequent O2 sensor replacements. Advanced sensor protection and wireless connectivity make this the ideal choice for furnace and boiler diagnostics.
Key Features
- EOS Technology – Long-life CO2 sensor reduces ownership costs
- 6-Line LCD display shows all readings on one screen
- H2 Compensated 10,000 ppm CO sensor for accuracy
- DMM style dial for easy test selection
- Water trap with check light for sensor protection
- Dilution pump protects CO sensor from high concentrations
- 8 Pre-programmed fuels including Natural Gas and Propane
- Wireless connectivity to optional probes and printer app
- Magnetic boot for hands-free operation
- Altitude compensation for high-altitude applications
Technical Specifications
| CO Measurement Range | 0-10,000 ppm (H2 Compensated) |
| Temperature Range | 32°F to 1112°F |
| Measurements | CO, CO2, Differential Pressure, Flue & Inlet Temperature |
| Display | 6-Line LCD with toughened screen protection |
| Warranty | 1-Year Standard, Extendable to 10 Years with UEi Service+ |
| Included Accessories | Sampling hose, probe, belt clip, manual |
Ideal For
- Furnace efficiency testing and commissioning
- Boiler combustion analysis and optimization
- Heat exchanger integrity testing
- Residential and commercial HVAC diagnostics
- Compliance testing for gas-fired appliances
- Preventive maintenance programs
Professional installation recommended. Contact our experts for system sizing and compatibility verification.
Where the C165+ fits
The right tool is a safety and speed issue in HVAC work. The C165+ is stocked because the contractors who buy from us use it on the job; specifications are the manufacturer’s.
Professional tools earn their price in accuracy and durability: a gauge set or meter that reads true saves a misdiagnosis, and a bit or blade that stays sharp saves time on every cut. We stock the brands working technicians ask for rather than the cheapest option on the shelf.
Background reading: the U.S. Department of Energy maintenance guide.
What to check before you order
- Size, capacity and fitment for the work you do.
- Compatibility with the refrigerants or materials you service.
- Calibration or maintenance the manufacturer requires.
Installation and service notes
Keep tools calibrated where the manufacturer specifies it, store gauges and meters dry, and replace consumable parts on schedule. If a tool is used with refrigerant, keep it dedicated to compatible refrigerant families to avoid cross-contamination.
Why buy the C165+ from Buy Comfort Direct
We are a stocking HVAC distributor based in Winder, Georgia — not a marketplace reseller. Orders over $99 ship free, and financing is available at checkout through Affirm. If you are not sure this is the right part, call (877) 843-4822 before you order and we will match it to your equipment. Browse the rest of our Tools, and see what customers say on our reviews page.
Ordering and delivery
In-stock items ship from our Winder, Georgia warehouse. Orders over $99 ship free; large equipment travels by freight carrier and parts by ground, and you will get tracking by email when it leaves. Need it matched to a system, or need a quantity that is not on the shelf? Use the contact page or call (877) 843-4822 and we will confirm availability before you pay.
C165+ FAQ
Do you carry consumables for this tool?
Usually — search the model number, or call and we will point you to the blades, tips or accessories that fit.
Does the C165+ ship free?
Yes on orders over $99 — most orders that include it qualify. Large equipment ships by freight carrier; parts ship by ground.
How do I know it matches my equipment?
Send us your equipment model number through our contact page or call (877) 843-4822. We check the pairing before it ships.
Additional information
| Weight | 5.00 lbs |
|---|---|
| Dimensions | 4.00 × 12.00 × 10.00 in |
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