| Fuel Type: | Natural Gas |
|---|---|
| Vent Type: | Atmospheric |
| Boiler Type: | High Efficiency |
| BTU Input: | 175000 |
| DOE Rating: | 149000 |
| IBR Rating: | 128000 |
| System Type: | Hydronic (Water) |
| Efficiency: | 85% |
| Capacity (Gallons): | 5 |
| Water Connection: | 1-1/4" |
| Gas Connection: | 1/2" |
| Vent Size: | 6" |
| Features: | EI/Spark Ignition |
| Weight (lbs): | 405 lbs |
| Height (Inches): | 41" |
| Width (Inches): | 21-1/2" |
| Depth (Inches): | 33" |
| Warranty: | 1 Year (Boiler Parts), 25 Year Limited (Heat Exchanger) |


Replacement Parts
SKU: ES26BNI-T
Brand: Burnham
You would need a 4-zone switching relay with priority in order to control 4 zones with individual circulators as you describe.
no it will not control zones. i bought a taco 4 zone relay panel on ebay about 80 bucks
The ES2-6 has a 1/2" gas connection.
This unit does not use a vent damper; it comes with an integrated draft diverter.
Yes this boiler comes with a vent damper. It must be installed to receive the 85% rating. You must also sleeve the chimney with a liner and use the flex insulated liner that is supplied with the boiler to make the connection to the chimney liner.
Yes, this boiler comes with a pump.