Replacing a boiler
Mine has a cylindrical heat exchanger like a drum with pipes inside
around the edge and the burner being a mesh affair at the centre. In
effect, the heat is exchanged radially from the burner at the centre.
Well that sounds like a reasonable burner arrangement too. I was under the
impression that some boilers used the burner underneath method, where, in a
condenser, it gets a nice shower of acid.
Christian.
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