UEi C165+OIL Combustion Analyzer for Oil-Fired Appliances
$1,495.35
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Description
The C165+OIL is an HVAC chemical and service consumable from UEi stocked by Buy Comfort Direct — full listing: UEi C165+OIL Combustion Analyzer 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+OIL
UEi C165+OIL Combustion Analyzer for Oil-Fired Appliances
Product Overview
Specialized combustion analyzer engineered for oil-fired heating systems with enhanced sensor protection designed for the unique challenges of oil combustion analysis. Features oil-specific calibration and advanced filtration systems for accurate measurements in residential and commercial oil heating applications.
Key Features
- Oil-specific calibration and fuel programming
- Enhanced sensor protection for oil combustion byproducts
- EOS Technology for reduced maintenance costs
- Specialized filtration for oil-fired applications
- 6-Line display for comprehensive readings
- H2 compensated CO sensor with extended range
- Advanced dilution pump system
- Smoke number measurement capability
- Draft and differential pressure measurement
- Water trap with enhanced oil protection
Technical Specifications
| Application Type | Oil-Fired Residential & Commercial Systems |
| Oil-Specific Features | Smoke measurement, specialized filtration, oil fuel programs |
| Sensor Protection | Enhanced protection for oil combustion contaminants |
| Measurements | CO, CO2, O2, Temperature, Pressure, Draft, Smoke |
| Calibration | Factory calibrated for oil-fired applications |
| Display | 6-Line LCD with oil-resistant protection |
Ideal For
- Oil-fired boiler and furnace testing
- Commercial oil heating system maintenance
- Residential oil burner tune-ups
- Oil heating system commissioning
- Smoke and draft testing
- Oil combustion efficiency optimization
Professional installation recommended. Contact our experts for system sizing and compatibility verification.

Where the C165+OIL fits
Service chemicals and consumables are the difference between a repair that holds and one that comes back. The C165+OIL 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+OIL 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+OIL 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+OIL 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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