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How much would a time served Boiler engineer charge to fit this part?

I replaced the diverter valve on my ecotec however the old diverter valve had some how taken out the pcb so had to replace that as well I am not a heating engineer btw. just somebody who used to build things that could take out whole families just the same if they weren't built properly...

I just went to local plumbers merchant and bought one for 75p

I had to change both the diverter valve and the pcb on mine. with the front off you can see if the valve moves. Mine didn't just buzzed. When I Changed the diverter valve still just buzzed.When i checked the valve position on the lcd display it was reading as though it was in the correct...

The vaillant one that I had suffered from poor wireless range, I ended up with a cheap one from b&q which has never disconnected all the time I've had it.

To update changed the pcb today with the latest edition board and problem solved. The board has had 4 revisions and thanks to a helpful chap at a boiler spares store in Leeds i have the latest variant for the princely sum of £84 delivered, cost me less than the diverter valve. So if the...

After reading another post, changing the pcb would not involve combustion issues would it? I am happy to do the plumbing side and have a lot of equipment for electrical safety checks . Not happy touching anything to do with gas side and am not qualified to do so.

thanks for your quick response Tony, just in case I decide to bite the bullet and before shelling out on a new pcb could it be anything else. As I said the motors for both valves operate but they are very weak in operation. I hate these bloody new fangled boilers if coal hadn't gone up so...

Yes the old motor does move as well although very weakly.I probably will call out vaillant to do it on a fixed price repair but what do I say if the engineer says its the diverter valve no good.

Ok I have changed the diverter valve and still have this problem.The original had leaked a bit and was very stiff to move. When you turn on the hot water the motor moves as it should but is very very weak. Running through the diagnostics the screen says that the valve is in its correct...

Had to revert to bending the clip to get it out the heat exchanger screws were too tight to undo and didn't fancy using an impact driver on them if the exchanger ever needs changing they will have to be drilled out. Still all done for the princely price of 20 quid. The old pressure sensor...

Thanks guys I wasn't sure that the heat exchanger was that easy to remove does it not have pipes going into it?. You gotta love this forum gives so many good answers.

I get the f75 fault on an ecotec plus 837 so after reading many posts on here decided to bite the bullet. I drained down the boiler and repressured the expansion vessel up to .9 bar as per instructions in book.I thought I'd take a look at the pressure sensor but coulbn't get the ruddy thing out...