UEi C165+NOIL Combustion Analyzer with NOx Sensor for Oil-Fired Appliances
$1,852.35
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Description
The C165+NOIL is an HVAC chemical and service consumable from UEi stocked by Buy Comfort Direct — full listing: UEi C165+NOIL Combustion Analyzer with NOx Sensor for Oil-Fired Appliances. 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+NOIL
UEi C165+NOIL Combustion Analyzer with NOx Sensor for Oil-Fired Appliances
Product Overview
Ultimate combustion analyzer combining NOx sensor technology with oil-specific calibration for comprehensive emissions testing of oil-fired systems. Features enhanced sensor protection and specialized filtration designed for the demanding environment of oil combustion analysis.
Key Features
- NOx sensor for nitrogen oxide emissions measurement
- Oil-specific calibration and fuel programming
- Enhanced sensor protection for oil combustion byproducts
- EOS Technology for reduced maintenance costs
- Specialized NOx filtration for oil-fired applications
- 6-Line display for comprehensive readings including NOx
- H2 compensated CO sensor with extended range
- Advanced dilution pump system
- Smoke number and NOx measurement capability
- Environmental compliance reporting
Technical Specifications
| Application Type | Oil-Fired Systems with NOx Monitoring |
| NOx Measurement | Integrated NOx sensor for emissions testing |
| Oil-Specific Features | Smoke measurement, specialized filtration, oil fuel programs |
| Sensor Protection | Enhanced protection for oil combustion and NOx contaminants |
| Measurements | CO, CO2, NOx, O2, Temperature, Pressure, Draft, Smoke |
| Compliance | EPA compliant emissions testing for oil systems |
Ideal For
- Oil-fired boiler NOx emissions testing
- Environmental compliance monitoring
- Commercial oil heating system maintenance with emissions tracking
- Oil heating system commissioning with NOx compliance
- Regulatory compliance documentation for oil systems
- Advanced oil combustion optimization
Professional installation recommended. Contact our experts for system sizing and compatibility verification.

Where the C165+NOIL fits
Service chemicals and consumables are the difference between a repair that holds and one that comes back. The C165+NOIL is a professional-grade product we stock for technicians; use it as the manufacturer directs, and keep the safety data sheet on hand for the jobsite.
The right chemical shortens the job and protects the equipment: a proper coil cleaner restores capacity that dirt has stolen, a compatible oil keeps a compressor alive, and a listed sealant or tape keeps a joint tight through years of thermal cycling. The wrong one does damage that shows up months later.
Background reading: EPA Section 608 refrigerant rules.
What to check before you order
- Compatibility with the refrigerant, oil or materials in the system.
- Application method and cure or dwell time from the label.
- Ventilation and PPE requirements from the safety data sheet.
Installation and service notes
Follow the label for dilution, contact time and rinsing; coil cleaners in particular need a thorough rinse or they keep working on the fins. Store containers sealed and away from heat, and keep the safety data sheet with the truck stock.
Why buy the C165+NOIL 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+NOIL FAQ
Is this safe for R-32 or R-410A systems?
Check the label for refrigerant compatibility; if it is not listed, call and we will confirm with the manufacturer.
Does the C165+NOIL 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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