All boilers come with a one-year warranty looking for even more headache-free years? We would recommend the survey to be carried out prior to exchange of contracts or asap to prevent the slow down of any sale if defects are found. These comments allow plumber to make your r functions available as api endpoints you can use either. Q how much will a replacement boiler cost? Finding the right type of boiler is important and by installing a new high efficiency condensing.