Brochure

Series 2
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by CornerStone United
WARRANTIES
EXTENDED
cast iron water boiler
 THE industry standard...improved!
There are a few reasons why over TWO MILLION Series
2 boilers have been installed in American homes.
Performance, reliability, safety, and overall efficiency
have a lot to do with it. This legendary performer
has been upgraded to deliver even better efficiency
(84% AFUE) while maintaining the traditional ease of
installation and ownership that are synonymous with
the Series 2 name. U.S. Boiler Company is providing
even more reasons why the Series 2 will remain at the
top of the list for years to come.
 The “heart” of the matter
A cast iron heat exchanger is at the heart of every
Series 2 boiler. Crafted at a foundry in Zanesville, Ohio,
it is comprised of 100% recycled material and
designed for years of reliable home comfort.
Each Series 2 cast iron heat exchanger is water
and pressure tested prior to assembly, Series 2 heat
exchagers also feature large internal passages which
help in the efficient transfer of heat.
 Made to last, made in America
Series 2 boilers are built in Lancaster, PA. Every
component is subject to strict standards of quality
control and performance verification used throughout
the manufacturing process.
 The top selling gas boiler in America,
updated and improved!
 Made in America
 Designed to be an easy replacement
boiler for existing installations
You’re covered…
A limited lifetime heat exchanger warranty, plus a
one-year manufacturer’s parts warranty
are included. For long-term protection,
the U.S. Boiler Extended Warranty Plan
is also available. It offers parts and labor
protection for either 5 or 10 years from
the date of installation.
U.S. BOILER COMPANY
U.S. BOILER COMPANY
U.S. BOILER COMPANY
Letterhead size
Branding size