The Potterton Suprima Story Potterton suprima were a very good boiler in their time, they were small and compact and would fit nicely inside a kitchen cupboard. They came in many heat output sizes from 30,000 BTUs right up to 120000 BTUs and all in the same size case. The 120s were recalled a few times due to problems and eventually withdrawn, but all in all, they [...]
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