These are very popular in 70s and 80s, usually positioned on the floor in the kitchen or in an out boiler house. They have cast iron heat exchanger. All oil boilers are free standing, free standing gas boilers, because they take floor space are not normally considered for small houses, auto hopper feed solid fuel boilers are normally free standing ones.
A Free Standing Boiler can be a conventional boiler, combination boiler or condensing boiler and they can have open flue, balanced flue or fan assisted flue.
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