A boiler is simply a sealed container where liquid is heated. The liquid does not always boil. The heated or vented fluid usually exits the boiler for utilization in different heating applications, such as central heating, water heating, steam heating, boiler-powered electricity generation, cooking, disinfection, and hot water storage. A wide variety of boilers are available in the market these days to meet your heating demands.
A boiler has a number of important components that together help it produce heat. The most important component is the burner unit which heats the liquid so that it can be released into the various different heating applications. The second most important component is the heat exchanger. The heat exchanger is designed to efficiently exchange heat from one substance with that from another substance for the purpose of efficiently heating that substance. This exchanger is usually referred to as an engine because it is an engine that pushes or compresses a fluid to a specific temperature. The third and last component is the combustible material which helps in burning fuel to create heat.
There are three types of fuel boilers available in the market. These are convention heaters, photo voltaic boilers, and combi boilers. Convention heaters use combi or single fire tubes while photo-voltaic boilers use both water tubes and fire tubes for the production of heat. All three of these types of boilers differ in terms of the way they operate and the number of tubes they contain. Thus it is essential to know the difference between each type of boiler before purchase.