hi please could someone help we had a Ferroli boiler put in our loft on thursday as we had the old one behind the fire since having it put in we only get our hot water and heating for say half an hour or so then the boiler turns off and my husband has to go into the loft to start it again he has been up in the loft about 10 times since friday and he is getting fed up with it we have rang the plumber who put it in but he has not got back to us yet is it his job to see that it is working ok or not if not why does it keep loosing pressure and turning off thanks diane