The Burnham ES2 boiler is the first all new, atmospheric, gas-fired, cast iron boiler for home heating that has been designed in decades. The ES2 Series boasts many innovative features including a proven, long-lasting, American-made cast iron heat engine, the ease and simplicity of atmospheric venting, an exclusive control system that provides features unrivaled by any boiler in the market, an unparalleled 85% efficient ENERGY STAR® rating for an atmospheric gas boiler, and an attractive exterior which is equivalent or superior to the design of the most sophisticated condensing boilers.
Features:
- The only 85% AFUE Atmospheric Cast Iron Boiler Available
- Qualifies for Energy Star Rebates
- Efficient Operation Saves Homeowners Money
- Innovative Design, Made in America
- Ideal Replacement for Millions of Existing Boiler Installations
- Burnham IQ Control System
- True Plug & Play Controls Utilizing Burnham IQ Option Cards
- Auxiliary High Limit
- Optional LCD Touch Screen Display
- Altitude up to 10,000 ft
- Includes B & G NRF-22 (8056174) Circulator & Gasket Kit
| Fuel Type: |
Natural Gas
|
| BTU Input: |
70000
|
| BTU Output: |
51000
|
| Efficiency: |
85%
|
| System Type: |
Hydronic (Water)
|
| Capacity (Gallons): |
2 gal
|
| Gas Connection: |
1/2"
|
| Features: |
Chimney Vent
|
|
EI/Spark Ignition
|
| Vent Size: |
4"
|
| Width (Inches): |
12-3/4"
|
| Weight (lbs): |
254 lbs
|
| Warranty: |
1 Year on Boiler Parts/25 Year Limited Heat Exchanger
|
| Application: |
Heating
|
| Boiler Type: |
High Efficiency
|
| Water Connection: |
1-1/4"
|
| Vent Type: |
Chimney
|
| Height (Inches): |
41"
|
| Depth (Inches): |
33" |
Burnham ES23NI-B is also known as ES23NIB
