Hot Water and Steam Boilers.
Available in natural, LP gas or oil.
The efficiency’s range from 82%-86% AFUE.
The Dunkirk has proven to be a reliable
cast iron boiler with a twenty year
cast iron section warranty.
All oil boilers can be common vented through
the roof with an oil water heater but require
a masonry or all fuel chimney. Gas boilers are
available for sidewall or roof venting and can
be common with gas water heaters.

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Hot Water and Steam Boilers.

The Burnham is also a cast iron block boiler giving it excellent reliability. The efficiency’s run in the same 82+% AFUE ranges. Their oil boiler

is designed with a swing out burner door that is great for maintenace and service. The cast iron section warranty is Limited Life Time, meaning that the section warranty is 100% for the first ten years then pro-rated for the next ten years.
All oil boilers can be common vented through the roof with an oil water heater but require a masonry or all fuel chimney. Gas boilers are available for sidewall or roof venting and can be
common vented with gas water heaters.