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If the sensor clogs up you will get F75 errors. Writing from personal experience.

Do you have black crud in your system that is clogging the sensor?

After numerous faults over a ten year period with our EcotecPro I would be very hesitant about getting another Vaillant boiler. I’m not getting a vibe for a better alternative though.

Neither I use a tablet

Have you considered the VRC700 which is outside temperature compensated?

Yes get that Yes get that Yes get that Happy to address the inconsistencies if you tell me what they are. My engineer is trusted and given me good advice. My options are power flush (he can’t do) or chemical flush (which he can do). Given there is already a magnetic filter in the system and...

My engineer can do a regular flush with X800 over two days but I’d need a specialist to do a power flush that’s going to cost £400 upwards. Hence asking here.

All sorted but I am going to get the system flushed. Do you recommend a power flush or flushing with Sentinel X800?

You can also get USB adapter leads for Braun shavers and Oral B toothbrushes which are useful when travelling.

Our cabinet has one built in…

Same happened to me a month ago and it hasn’t tripped since. It could be a spider between live/neutral/earth that died and no longer conducts electricity.

Yes based on previous experience. System is clean with inhibitor and magnatec that is cleaned regularly but has very little particulates. We do have hard water that is known to cause F75 sensor faults. Later models sorted the issue out.

Pressure sensor needs replacement again after three F75 faults in a month. All cleared by using the ignition button but I’m getting to the stage where I may be simply replacing my pre-2010 Ecotec. A poor 10 year history of reliability - four pressure sensors, a heat exchanger, o rings and...

So this is what I would do,,, Close the lock shield valve on every rad apart from the problem one. Starting with the downstairs rads open the LS valves one at a time just enough for them to warm up. Then move upstairs and repeat the procedure. Key thing is to only open the lock shield just...

My original source was Beoir the Irish beer consumer group . It was then confirmed by our guide on a tour of the Dublin brewery that the beer is shipped in tanks to the Uk for kegging and that includes beer destined for the republic. I think the company prefer not to advertise this for obvious...

All Guinness is brewed in Dublin. It then travels to London where is is put into kegs. Yes even the stuff drunk in Ireland has travelled to London!

It’s marketing hype but there are far better stouts out there. Wye Valley Wholesome Stout and Fixed Wheel Blackheath Stout would be good places to start. For LA I recommend Big Drop Galactic.

A magnetic filter that sits inline of your return feed. DIY if you are ok with pipework. See https://www.amazon.co.uk/Magnaclean-189300-Magnetic-Filter-Black/dp/B003BNL8Z4

I'd recommend installing a magnatech. Not only does this protect your boiler and pipework, it makes installing inhibitor a breeze.