Android Apps

With over 90,000 downloads so far, you can be assured that our Android apps do the job! We took a lot of time and effort to make sure they are easy to use but packed with features. Check them out below…

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Fault Finding, Testing & Multimeters

You can now watch our fantastic Fault Finding, Testing & Multimeters DVD on your Android phone and tablet.

There are 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 diverter 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


Wiring & Controls for Android

Wiring & Controls


Radiator Calculator & Guide for Android

Heatloss Calculator & Guide


Gas Rate Calculator & Guide for Android

Gas Rate Calculator & Guide



Electrical Safety Tests for Android

Electrical Safety Tests


Gas Pipe Sizing Calculator for Android

Gas Pipe Sizing Calculator


Expansion Vessel Calculator for Android

Expansion Vessel Calculator



Gas Ventilation Calculator for Android

Gas Ventilation Calculator


Gas Ratio Calculator for Android

Gas Ratio Calculator


Gas Ratio Calculator for Android

Gas Rate Calculator Lite



Ohm's Law Calculator & Guide for Android

Ohm’s Law Calculator & Guide