Specifications

ManualsBrandsBurnham ManualsBoilerES2

Gas Fired, High Efciency, Natural Draft,

Cast Iron Water Boiler

• The ONLY 85% AFUE Atmospheric

Cast Iron Boiler Made in America!

• Qualies for Energy Star Rebates

• Efcient Operation Saves

Homeowners Money!

• Innovative Design and Appearance

• Ideal Replacement for Millions of

Existing Boiler Installations

• 7 sizes, 70-280 MBH input

85% AFUE

Limited

Lifetime

Warranty!

• Features Burnham IQ Control System

™

• True Plug & Play Controls Utilizing

Burnham IQ Option Cards;

– Outdoor Reset

(with Domestic Hot Water Priority)

– Auxiliary High Limit

– Low Water Cut-off

– Optional LCD Touch Screen Display

• Improved Boiler Operation

boiler

control

option

panel

option

card

control

system

GREATER ENERGY SAVINGS

ES2 Boiler

Summary of content (8 pages)

PAGE 1
boiler control ES2 Boiler TM option Gas Fired, Highpanel Efficiency, Natural Draft, Cast Iron Water Boiler option card 85% AFUE control system • Features Burnham IQ Control System™ • True Plug & Play Controls Utilizing Burnham IQ Option Cards; – Outdoor Reset (with Domestic Hot Water Priority) – Auxiliary High Limit – Low Water Cut-off – Optional LCD Touch Screen Display • Improved Boiler Operation • The ONLY 85% AFUE Atmospheric Cast Iron Boiler Made in America! • Q
PAGE 2
It’s a Whole New Game, and the Burnham ES2 is in the Lead! Meet the ES2…Unmatched Anywhere! U.S. Boiler Company is proud to introduce the new Burnham ES2 boiler... the first all new atmospheric, gas-fired, cast iron boiler for home heating that has been designed in decades.
PAGE 3
Made in America The Best Boiler for Most Homes The ES2 was created with a single goal in mind – strike a balance between high efficiency and real-world practicality. U.S. Boiler Company has taken the proven, reliable and simple design of an atmospheric cast iron boiler and has attained what no other domestic manufacturer has on this kind of boiler... an ENERGY STAR certification.
PAGE 4
ES2… The Inside Story Integral Draft Diverter Reduces installed boiler height up to 19”, allowing a broader range of installations. Includes a built-in, factory wired, integrated spill switch.
PAGE 5
control system IQ Boiler Control Integrates aquastat, relay, and ignition functions into a single module. Mounted on hinged panel for ease of access.
PAGE 6
control system Helps Improve Efficiency, Saving Energy and Money! Controls, Like No Other... If the G3 heat exchanger is the brawn of the ES2 Boiler, the IQ Boiler Control System is the brains. The IQ Control System has been specifically designed for the next generation of high efficiency cast iron boilers. It simplifies boiler operating controls by combining all the typical boiler safety controls, including ignition, into one central control module.
PAGE 7
IQ Low Water Cut-Off (LWCO) Option Card A safety device designed to disable the boiler if it senses that the water level has dropped below safe operating limits. In some areas this device is required by code to be on every new boiler installation. Available in auto and manual reset versions, the IQ LWCO Option Card plugs easily into the IQ Option Panel and feature a one-wire connection to the 3/4” sensor probe which is mounted in the near boiler system piping.
PAGE 8
Ratings Model Number* ES23 ES24 ES25 ES26 ES27 ES28 ES29 DOE Heating Capacity (MBH) 59 88 118 147 176 206 235 Input (MBH) 70 105 140 175 210 245 280 I=B=R Water Ratings (MBH) 51 77 102 128 153 179 205 Electrical Requirements** <2 Amps <2 Amps <2 Amps <2 Amps <2 Amps <2 Amps <2 Amps AFUE% 85.0 85.0 85.0 85.0 85.0 85.0 85.0 * Add suffix “N” for natural gas, or suffix “L” for LP gas models **Requirement for controls only, add for amp draw of circulators.