Use one part caustic soda for every four parts of water. Heat-only boilers are also known as conventional boilers. Combi boilers are suitable for the majority of homes, and are particularly suited to smaller homes where multiple hot water demands are less frequent they are a great choice for those limited on space, as the unit.
Electric boilers with weather compensation power: 4-24 kw. Not all boilers are made equal you’ll need to do some research to find out which boiler brands and models live up to the hype—and which you should skip. This is my first yelp review ever glad i read steve k's review and called jim yesterday was xmas eve and i had a bad clog affecting the whole house's drain system i called at least 4 other people and got answering machines it was 3:30 in the afternoon and jim answered his phone i.