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I see, yes all these things get done on the service. But the burner doesn't come off every year as I don't have it done every year. I think its been off 4 times in the 16 years and it is always pretty clean inside.

Update: I have got it working. I took out the water HE and used the brick acid to clean it out. Did 2 x 20mins standing then a flush out. When I started it up again the boiler came on, but only for a minute (heating only). There were a few loud noises, groaning as if something was blocked...

Can anyone say if the Descalers are ok to use or do I need a specific acid? Spirit of salts is online but I can get the descaler today

Looks like it’s the HW plate heat exchanger. I treated it before the diverter was changed on the day with spirit of salts. I guess I didn’t allow enough time to dissolve the line scale. It sounds like it is all gunked up in there. I’m going to try treating it again and if it doesn’t work...

Ok. Can you tell me what needs to be done on a service. I have it done every few years. Last done in jan this year. All engineers do is clean out the main burner. I’ve watched before and my burner is quite clean inside. Then it’s a new seal and that seems all they do. I have a mag pro 2...

I have no idea if it was tested. Pressure last night was 1.5 on filling This morning it’s 1.3 Engineer will call later this morning. I think something has happened to the pump Can anyone tell me what to here when you do a purge. Last night after googling this issue I ran the P.0...

A new boiler sensor was added a few months ago as a separate issue from all this. The boiler was taking in water as the valve wasn’t closed fully but I thought this was a sensor issue. That has been sorted now, but reading about the F75 issues it seems new pressure sensors are needed...

Now it says F 75, which is connected to the pump. Could any electrics have been damaged when doing this work?

Could the HE have become blocked when it was put back?

I’ve just tried the HW and it won’t fire. He had to drain down the boiler and removed the secondary HE because a screw on the DV wouldn’t come off using a screw driver. The screw had sheared off. He got it off with grips.

DV was changed as it was leaking. No leaks now. I will try what you said. A new AAV was also fitted. So it might be an air issue.

Boiler doesn’t work now even when heating only comes on. Burner fired up for about 20 seconds then cuts off.

I had my vaillant diverter valve changed today. Ecotec plus. Heating has been on this evening ok. But when we ran a bath the HW must have switched off. It gives a F20 error code which looks like overheating. So I think the HW has caused this issue? We have only discovered this at 11pm so...

Ok great thanks. Is the best thing to help to get the angle a bevel ? And then use a protractor to get that angle isn't 180-135 45 degree ? So it would be a 22.5 degree cut

Anyone tell me roughly what angles I need to be cutting on my mitre saw for the bay facia ? I am due to replace all the wood soon as it is old and needs repainting. Just not sure what angle I will use on my saw. I prob will do some testers with waste wood, but thought someone would be...

Thanks for info on the marcher machine. We have extractors in the bath and kitchen. Next door is upvc and doesn’t have this issue. Will look at the heater as well

I have a bay window made from wood in good condition. The bedroom section is double glazed in the thinner type double glazing. Maybe 12mm thick. This bay creates a lot of condensation. So much that it runs off the cill internally and down the wall. It needs wiping a lot and so black debris...

Yes this tv is on the same main aerial feed as the tv with tuning issues.

Anyway I can text the signal strength? Can you hire the special meter?

Tried it again and got 64 channels, but no bbc or itv. Starts from channel 8