Mr Combi has produced three training DVDs to help you get the most out of your multimeter and your gas flue analyser. They are designed to teach you both the basics and more in depth procedures. You can play them over and over, in the comfort of your home, to ensure you learn as much as possible from Mr Combi’s wealth of knowledge and experience.


Fault Finding, Testing & Multimeters DVD – Two Disc Set – New for 2016


Our brand new DVD has 21 Chapters showing you all about multimeters, how to carry out the electrical safety tests in full, how to test stats, fans, sensors and pumps, about diverters valves, expansion vessels and the sequence of operation. Learn at your own pace.

Suitable for new entrants, those moving from installing to repairs and existing breakdown engineers.

DVD Chapters:

  1. Testing Equipment
  2. Multimeter Settings
  3. Electrical Safety Tests
  4. Earth Continuity Test
  5. Short Circuit Test
  6. Resistance to Earth Test
  7. Polarity Test
  8. Fault Isolation Procedure
  9. Sequence of Operation
  10. Pumps
  11. Testing Switches
  12. Water Pressure Switches
  13. Flow Switches
  14. Air Pressure Switches
  15. Fans
  16. Stats & Sensors
  17. Diverter Valves
  18. Domestic Heat Exchangers
  19. Expansion Vessels
  20. Water Hammer
  21. Airing Cupboards

The accompanying white DVD has 100s of boiler manufactures manuals, articles on fault-finding, course notes part numbers, exploded diagrams, parts price list, lots of information for you to refer to. Most in PDF format so are easy to read and print.

Start a new career today and learn at home at your own pace!


Wiring & Controls DVD – Four Disc Set


The orange DVD has 8 Chapters showing you all about Danfoss and Honeywell controls. It will teach you all about two and three port valves, Honeywell S & Y plans, controls, programmers and frost protection.

DVD Chapters:

  1. Testing Equipment
  2. Plugging in a Boiler
  3. S.I. Programmers
  4. Danfoss Controls
  5. Danfoss Frost Protection
  6. Honeywell Y Plan
  7. Honeywell S Plan
  8. Honeywell Frost Protection


The box also includes three useful extra discs including the full Danfoss wiring course PowerPoint presentation, the full Honeywell course in PDF and a disc full of boiler manuals and other information in PDF format.


Gas Flue Analyser DVD – Two Disc Set


Have you got an analyser and want to know how to use it correctly? Our new DVD could help!

Anton/Kane/Testo whichever one you have, this green DVD is a must for anyone who needs to check the emission and performance. 10 chapters full of useful hints and tips to show you how it’s done. This machine is fantastic but complicated to use, even switching ON/OFF incorrectly will damage the analyser.

See how to test the flue for leakage, why 20.9% is vital, tips on flushing the trap every year (this must be done on every boiler).

DVD Chapters:

  1. Overview
  2. Trap cleaning
  3. Gas pressure
  4. Switch on purge
  5. Test air intake 20.9%
  6. Sample emission
  7. Switch off purge
  8. Emission chart
  9. ‘A’ rated boiler service
  10. What’s in the ‘Anton’ V2 kit
  11. How-to-use demos

The white DVD has boiler manufacture manuals in PDF format. Alpha to Worcester-Bosch from their web sites. Honeywell and Danfoss complete range, Y + S Plans etc. The S.I. (Service Interval) folder has reset codes for boilers and programmers enabling you to set the next service time, a very useful tool.