testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems

testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems
testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems
testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems
testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems
testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems
testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems
testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems

Key features

  • Efficient: The combustion testing tool reliably measures the carbon monoxide and O2 level of furnaces and boilers, as well as temperature, draft and differential pressure
  • Durable: The flue gas meter is equipped with an extremely sensitive CO and O2 sensor with up to 6 years of life expectancy and a measuring range up to 4,000 ppm
  • Easy application: Start measuring from standby mode at the touch of a button. Extra strong magnets at the back of the meter enable a hands free and secure measuring operation
  • Intuitive: Thanks to the large HD smart touch display with a clearly structured measurement menu, the flue gas detector offers all measurements at one glance
  • Complete Set: Includes long life O2 and CO sensor, retrofittable NO Sensor, probes and filters, rugged hardshell case, easyHeat software, wireless printer and spare thermal paper
BrandTesto
SizeResidential
ColorBlack
Warranty2 years

testo 300 I Residential and Commercial Combustion Analyzer Kit with Bluetooth printer I CO Meter for flue gas, draft, differential pressure and ambient CO levels of heating systems

List Price: $2463.55$2217.20DEALYou Save: $246.35 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (3)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

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