HI i'm just about to rip out the night storage heaters in my flat and fit a combi and 7 radiators i will be putting in the radiators and all the pipe work myself and getting a gas safe fitter to connect the gas to the combi and commision it.I have been looking at the above mentioned combi for about £800 inc flue is this a good choice or am i just paying for the name are there any others that are the same qaulity for a cheaper price. any help will be greatfully accepted.