Product Overview

ESC
™
Gas Fired,
Direct Vent or Induced Draft,
Cast Iron Water Boiler
• 85%AFUE
• Electronicignition
• Easy,intelligentIQControlSystem™
• Outdoorresetavailable–increasesefficiency 
 by15-20%
• 60–243MBH(7sizes)
• Idealforinstallationswherechimneyventingisnot 
 possible,industrystandardtappinglocationspermit
 easeofreplacementforthousandsofexistingboiler
 installations
• Rearjacketpanelofboilerisflatwithnoprotrusions,
 simplifiestransportandenablesflushinstallations
• Reliable,American-madecastironheatexchanger
• Lifetimelimitedwarranty
• ConsistsoftheIntelligent
HydronicControland 
IQOptionPanel
Intelligent Hydronic Control
• Providesfastandeasy“outof
thebox”installation
• Simplecodesconveyboilerstatusandeliminate
guesswork
• Combinesaquastat,relay,andotherignitionfunctions
intoasinglemodule
• Twocustomizableintegratedswitchingrelaysfor
easyintegrationofadditionalheatingzoneorindirect
waterheater
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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