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"Mr Combi" Guide to Fault Finding 2 disc DVD £60.00 Price inc P&P (no vat)

Due to high demand we have joined with “PayPal” to supply our goods safely and securely on line.
The blue DVD has 13 Chapters showing you all about Multimeters how to test Stats, fans, sensors; About diverters expansion vessels electrical testing thermistor; pump; fan; stats and sequence of operation. Learn at your own pace.
The white DVD has 100s of boiler manufactures manuals, articles on fault-finding, course notes part numbers, exploded diagrams, parts price list, heat-loss calculator lots of information for you to refer to most in pdf. Easy to read and print. Start a new career add more income ‘breakdown engineers’ are always in demand and always will be.
There will never be enough breakdown engineers. Installations are down, old age is coming bones and joints start to ache, plumbing not challenging enough, we are busy ALL YEAR! Every boiler HAS to be checked / serviced once a year someone has to do it and that’s us, as parts will wear out we replace them. Start a new career use your brain not just your hands remember there are a lot more boilers than we can fix - and always will be! Get the DVDs, come on a course-why wait?
The whole course and lots lots more. Learn at home.
Book Online
A place is given at the earliest date available.
Wednesday Training Dates in Bedford
- 7th July
- 18th August
- 1st September
- 6th October
- 3rd November
- 10th November (Manchester)
- 1st December
For companies who want to send more than 8 @ £80.00 each (no vat) please email me at george@mrcombi.com for booking dates, conditions and payment.

Have you got an analyser and don’t know how to use it? Our new DVD could help. Gas Flue Analyser 3 disc DVD £60.00 Price inc P&P (no vat)
This green DVD has 10 chapters all to do with using an “ANTON” analyser. How to service, check, flush and see on a special chart the results, get the most for your investment. The white DVD has all the pdf’s Boiler manuals, charts articles lots of information on analysers, condensing boilers what you need to be an expert. "FREE” form Worcester-Bosch an interactive learning DVD on the fabulous CDi range, install, check and service with the experts learn at you own pace.

Anton Chart £2.00 Price inc P&P (no vat)
After you analyse a boiler we need to see and show the customer HOW the performance looks, what action to take, RED shut down Orange service Blue CO? etc. Printed on flexi-plastic, water resistant, you need this chart.

Multimeter £65.00 Price inc P&P (no vat)
Boilers have lots of components, most can be measured in Ohms, pump, fan, gas valve, stats, thermistors continuity and more, we need an easy multimeter to test the different values. This Draper is just right, easy to read, large display back light and also comes with a temperature probe only found on expensive meters, now we can balance rads and set up water temps / flow according to spec. Easy!

Tyre Gauge. £10.00 Price inc P&P (no vat)
135º angle for checking expansion vessels.
We have a problem with the expansion vessel rises too much from 1.2 to 3bar HELP! Something is wrong should NOT rise normally, the gauge on a foot pump is not accurate enough this slim tyre gauge is angled at 135° that gets us in most places to test the Schroeder valve. Display in KG (bar) and PSI.

Gas Seal 100g. £10.00 Price inc P&P (no vat)
Very dense thread / olive sealant for plastic, copper, iron, LPG, NG, oil, temp to 180ºC. Use sparingly just a drop makes a very tight seal. Great for diverters / dom exchangers

Flow Cup. £25.00 Price inc P&P (no vat)
Aluminium adjust from 1-17 ltrs. per min to get the correct water flow.

ScrewDoktor 20g. £10.00 Price inc P&P (no vat)
Damaged screw? cross or slotted head this is the best product. We specially import it from Germany. Just a drop will bond a screw driver and screw together absolutely 'improves the torque' AMAZING! don't drill try this first every tool box needs one.
Silicon Oil 400 ml. £10.00 Price inc P&P (no vat)
Not for fans but for diaphragms, diverters, gears, manifolds and spray on metal to keep water off lots of applications.