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thanks guys.. so if i got this right.. I assume no prob with much higher BTU output on the boiler vs the rads I am going to get.. as it is adjustable.. so i could go for the vaillant 24 or 28 mains pressure is good.. although I have not tested for specific bar yet But i need to get...

HI. just refitting an end of terrace 2 bed house, I plan on putting 7 rads in which dependent on type will be from 29,000 BTU to 38,000BTU. Was looking at Vaillant 24 or 28 the outputs seem to be is 78k and 96k respectively. I understand its bad to buy too big a boiler, even the smallest...