It was manufactured by Hartford-Unical
I live in a 4 bedroom house with 2 flat roof extensions, but 2000 litres of oil lasts over a year I think that is quite efficient. I have been told that have a life of 5 years, after which they need expensive maintenance.
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sure it must be efficient,but nothing like the more recent models that are 80-95pct efficient….yours is probably 20pct efficient and you are undoubtedly wasting a small fortune….
It is almost certain to be less than 70% efficient at that age. Modern condensing boilers achieve over 90% efficiencies.
No,it means that the list was compiled by people who have never heard,cant remember or find any listings from that far back in time.
Do your old boiler a favoUr….retire it, give it to the local museum or scrap merchant. Before you fit a new boiler, have your system cleaned and flushed. I believe you may be able to get a grant/subsidy to replace this antiquity.