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TPI Flue Gas Analyser - 709R Unit and Kits

Save up to 4% Save 3%
Original price £360.00
Original price £360.00 - Original price £595.00
Original price £360.00
Current price £350.00
£350.00 - £570.00
Current price £350.00
Kits: Kit

The TPI 709R Flue Gas Combustion Efficiency Analyser includes all the features you’ll need for Boiler commissioning, service and maintenance including performing Flow & Return and Tightness Tests.

Compare & Save with the Easy-To-Use, TPI 709R Flue Gas Combustion Efficiency Analyser designed to measure CO, O2, Temperature & Pressure and calculate CO2 (in a flue), CO/CO2 ratio, efficiency and excess air.

With a large, easy-to-read, backlit display, simple to navigate operating system at a Low Starting Price of JUST £360.00 with Fixed Price Annual Servicing at £85.00, it really is the most cost efficient FGA on the market.

The standard kit comes complete with the 709R in a protective rubber boot, temperature sampling probe c/w external large water trap and unique in-lid water trap (as used by British Gas), soft carry case with shoulder strap, rechargeable battery pack & charger, pressure adaptors, ambient air probe, spare particle filter and instruction manual.

  • Various other kits available including IR Printer, Temperature Pipe Clamps, CPA1 Probes & Gas Leak Detector (SEE BELOW)
  • Print “Live” or “Stored” readings to optional A740 IR Printer
  • Six Year Warranty: Long Life O2 & CO sensors meaning lower servicing costs during a 6 Year Warranty Period*. Saving TIME & MONEY in cost of ownership during annual servicing!

The TPI 709R conforms to EN50379 and is suitable for engineers working with BS7967, the usage standard.

Serial Number & Next Cal Due Date are printed at the bottom of each print-out ensuring that you always know your readings have been taken with the correct in-calibration flue gas analyser giving you complete peace of mind.

HHIC: The Heating & Hotwater Industry Council made a recommendation that from April 2013 that the CO level & CO/CO2 (Ratio) reading in a flue is recorded when a boiler is commissioned and that this practise become mandatory from April 2014. Please click here for further details.

The recording of the CO level and Ratio reading will become a mandatory part of completing the Benchmark Form. Combustion Performance Analysis (CPA1): From April 2012 it has been compulsory for all engineers to acquire CPA1 Assessment to prove their competency in using a Flue Gas Analyser. Please click here for complete details.


  • Measure CO, O2 & Flue Temperature
  • Calculate CO2, CO/CO2 Ratio, Efficiency & Excess Air
  • Dual Input Differential Manometer – Great for performing Standing Pressure or Let By/Tightness Tests
  • Dual Input Differential Thermometer – Ideal for measuring & recording Flow & Return Temperatures
  • Ambient CO Analysis
  • 6 Year Warranty* (* subject to annual service being carried out each year by TPI or one of its approved local service centres)
  • Diagnostic software & technical helpline combine to save time and money on reduced downtime as many of the reported faults can be rectified over the phone keeping you and your instrument working
  • Unique external water trap filtration system as standard on all kit options preventing loss of downtime or additional costs due to potentially damaged sensors caused by water ingress
  • 10 Fuel options including Wood, Light & Heavy Oil, LPG and Natural Gas
  • Will not shut off if CO ppm is above 15ppm for increased safety for both the user and the instrument
  • Unique in-line pump protection filter fitted as standard across all kits preventing loss of downtime or additional costs due to a potentially damaged pump caused by dust/dirt ingress
  • Protective rubber boot as standard to protect the FGA
  • Re-Chargeable battery housed in a separate compartment ensuring no heat transfer when using on the mains to affect gas readings
  • All kits come supplied in a soft carry case to protect not only the FGA but all of your accessories
  • Capability of sending Live or Stored readings to an optional IR Printer

Technical Specifications


DC709R Flue Gas Analyser Specifications
Operating Temperature Range 14°F to +122°F (-10°C to +50°C)
Battery Life Rechargeable Ni-MH / > 6 Hours
Charger Input Voltage 115V or 230V : 50/60 Hz AC
Fuels Natural Gas, LPG, Light Oil, Heavy
Oil, Bituminous Coal,
Coal, Coke, Butane, Wood, Bagasse
Pressure Ranges mbar, kPa & inH2O
Display Backlit Graphic LCD
Data Storage 50 sets of readings, multiple pages
Time and Date 24 Hour Real Time Clock
Dimensions 200mm x 90mm x 60mm
Weight 500g
Conforms to EN50379


Tpi Flue Gas Analyser - 709R Unit And Kits
  • TPI 709R Analyser
  • Rubber Boot (A765) 1 each installed on analyser
  • Soft Carrying Case (A768)
  • Sampling Probe (c/w Type “K” Thermocouple)
  • In-Line Water Trap Bowl Filter (c/w Spare Particle Filter)
  • Battery Charger (A766)
  • Mini In-Line Pump Protection Filter (c/w 5 spare filters)
  • Exhaust Spigot Removable (A764)
  • Pressure Tubing (2 x 1 metres)
  • GK11M Air Probe
  • Instruction Manual

Kit 1

Tpi Flue Gas Analyser - 709R Unit And Kits
  • IR Printer

Kit 2

Tpi Flue Gas Analyser - 709R Unit And Kits
  • IR Printer
  • 2 x CK21M Pipe Clamps

Kit 3

Tpi Flue Gas Analyser - 709R Unit And Kits
  • IR Printer
  • 2 x CK21M Pipe Clamps
  • CPA1 Probe Kit

Kit 4

Tpi Flue Gas Analyser - 709R Unit And Kits
  • IR Printer
  • 2 x CK21M Pipe Clamps
  • 719 Gas Sniffer

Kit 5

Tpi Flue Gas Analyser - 709R Unit And Kits
  • IR Printer
  • 2 x CK21M Pipe Clamps
  • CPA1 Probe Kit
  • 719 Gas Sniffer

Kit Oil 1

Tpi Flue Gas Analyser - 709R Unit And Kits
  • IR Printer
  • A788 Smoke Pump
  • A773 Oil Filter