Burnham ES2 - User Manual

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ES2

™

Gas Fired,

Chimney Vented,

Cast Iron Water Boiler

Fully Updated for

D.O.E. 2012 Compliance!

• 85%AFUE,ENERGYSTAR

certified

• Electronicignition

• EquippedwithIQControlSystem™

• 70–280MBH(7sizes)

• Industrystandardtappinglocations,allows 

 easy,directreplacementforthousandsof  

 existingboilerinstallations

• Solid,reliable,American-madecastironheat

 exchangercanacceptreturnwatertempsas 

 lowas110°F

• Lifetimelimitedwarranty

• ConsistsoftheIntelligent

HydronicControland 

IQOptionPanel

Intelligent Hydronic Control

• Combinesaquastat,relay,andignitionfunctionsinto

asinglemodule

• Twocustomizableintegratedswitchingrelaysfor

easyadditionofadditionalheatingzoneorindirect

waterheater

• Energysaving“thermalpurge”,whichworksby

circulatingresidualwarmwater(140°orabove)in

theheatingsystembeforefiringtheboiler

IQ Option Panel

• Enablestheeasyplug&play

installationofoptionalfeatures

suchasoutdoorreset,LWCO,

andhighlimit

Optional Touchscreen

• LCDdisplaysallboilersettings,

diagnostics,andtroubleshooting

insentences,notcodes

boiler

control

option

panel

option

card

control

system

85% Efficient!

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Burnham ES2 Specifications

General

Fuel Type	Natural Gas or Propane
Ignition System	Electronic
Heat Exchanger Material	Cast Iron
Input MBH	140-280
Control Type	Electronic
Warranty	Limited Lifetime
Input BTU	80, 000 - 280, 000 BTU/hr (depending on model)
Water Content	Varies by model
Vent Size	Varies by model, consult product literature
Dimensions	Varies by model
Weight	Varies by model