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It's certainly a great help and as I am south facing it shows me that I can do the same. Do you have an unvented cylinder with an immersion heater just in case AND do you find the water temperature is hot enough for showers and washing up ?

I must say that I like your thinking with regards to hot water heating. I have set the hot water temperature to 60c on my boiler and this suits us fine for showers and washing up .... what temperature does your solar panel deliver AND what temperature do you have your gas boiler set to for the...

Gasguru as you can see above I have tried to sort out the leaky system on my Valliant by calling out their engineers. One can only take so much ! Hence in my despair thinking I don't want more of this perhaps a combination of electric, solar and gas fires might be simpler and less troublesome.

All four call outs in the last year have been F22 Low Pressure Code - none of the engineers mentioned a dirty system. February 2019 F22 Low Pressure Code Engineer found bottom of the case full of water. Components replaced: Expansion vessel, Pressure relief valve, water pressure sensor...

My boiler came with the property and is no longer under warranty. I have had several expensive visits from the manufacturers service team for the same low pressure problem and despite their Valiant efforts (geddit) in replacing the same parts several times I have had enough ! I am thinking of...

Above Ground and still breathing

Our Combi Boiler had a fault and we had no hot water for showers or baths for several days. I am thinking of changing it to a system boiler with a separate hot water cylinder and immersion heater. If the system boiler failed and couldn't heat water for the radiators, would we still be able to...

Thanks for all the replies. I complained to Vaillant and got £155 back. The boiler is running fine now. If it fails again I am thinking of cutting my losses by not spending any more trying to keep the Vaillant running and getting an INTERGAS boiler installed with a long guarantee. Anybody...

Thanks for your interest but I can't answer your questions as I wasn't present when the parts were replaced.

The house I bought already had a 2007 Vaillant ecoTEC PLUS 831 R1 installed. It had been very reliable for the past 8 years until March 2019 when I regularly got F22. A Vaillant engineer came out under Vaillants £300 fixed fee repair and found the bottom of the cabinet swimming in water. He...