Burnham ES2 Technical Information

85% Efficient!
ES2
™
Gas Fired,
Chimney Vented,
Cast Iron Water Boiler
Fully Updated for
D.O.E. 2012 Compliance!
• 85% AFUE, ENERGY STAR
• Electronic ignition
• Equipped with IQ Control System™
boiler
• 70 – 280 MBH (7 sizes)
control
• Industry standard tapping locations, allows
easy, direct replacement for thousands of
existing boiler installations
option
panel
• Solid, reliable, American-made cast iron heat
exchanger can accept return water temps as
low as 110°F
option
card
• Lifetime limited warranty
control
system
• 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
certified
®