Sorry to break that to you. The fan, gas valve, burner, and circuit board are all one part. They can't be purchased separately. As a result, if any single one of those goes wrong, you have to buy the whole lot. It's about £500 for the part, plus fitting and setup
No, in much the same way as servicing a car won't prevent the ECU, fan, or fuel pump failing, but that doesn't mean you shouldn't do what you can to maintain the parts which can be maintained
No, in much the same way as servicing a car won't prevent the ECU, fan, or fuel pump failing, but that doesn't mean you shouldn't do what you can to maintain the parts which can be maintained
That's exactly what my thinking was. Your car goes wrong, say the ECU, you take it to the dealers, they say its not been serviced but can't tell you what could have been done in that service regarding maintenance that could have prevented the ECU from going wrong. Bit of a get out for both car and boiler manufacturers. Just have to look at it as part service/maintenance, part insurance I suppose.
Probably not but it would ( should ) detect things that are compromising proper combustion which could result in poor efficiency and excessive emmissions of CO2 CO and nitrogen oxides.
Often a service will turn up leaking auto air vents, seals, pressure issues, before the leaks damage or corrode parts. The combustion levels will probably require tweaks to keep levels as designed, condensate traps need cleaning etc. The idea is to remedy the start of a problem before it becomes a problem.
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