he35

Hi, I have kept this piece of rubbish going for quite a long time and I don't like the idea of getting defeated by it! Every year there is something new to tackle and replace. I will eventually replace it for a real one! I have now got a problem that I can't work out and was wondering if some...

I have the above boiler and am getting a flow rate (measured from 2 different taps) of just over 7 litres / minute. The quoted flow rate (with a 35 degree rise) is 14.6 litres / minute. I realise with outside temperatures (and therefore water input temp) low that I wont get 14.6 l/m but should...