Baxi solo HE baxi 133HE combi`s and certain suprima to name the most common there will be others out there.
So perhaps you would have been better gettin g to the end of the course instead of halfway through (soz could not resist)
I do know they exist, but as the people around here are very intelugunt, they don’t buy them.
Are they so 'intelugunt' that they cannot spell intelligent correctly?