Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for the installation.
Note: Product Title reflects this boiler's IBR Net Output Rating
The ES2 blends unmatched performance with long lasting durability and exclusive energy saving features. Designed as an optimal replacement boiler for millions of homes with existing chimneys, the ES2 achieves an 85% AFUE. At the heart of the ES2 is one of the most advanced cast iron heat exchangers in the industry, and a well-insulated heavy-duty steel base for longevity. Even the ES2's control system is class leading. The IQ Boiler Control System allows the ES2 to be easily equipped with an optional energy saving control package that can achieve up to a 15-20% reduction in fuel consumption according to most studies.
Features:
| Fuel Type: | Propane |
|---|---|
| Vent Type: | Atmospheric |
| Boiler Type: | High Efficiency |
| BTU Input: | 105000 |
| Efficiency: | 85% |
| IBR Rating: | 77000 |
| DOE Rating: | 89000 |
| System Type: | Hydronic (Water) |
| Capacity (Gallons): | 3 |
| Water Connection: | 1-1/4" |
| Gas Connection: | 1/2" |
| Features: | EI/Spark Ignition |
| Vent Size: | 5" |
| Height (Inches): | 41" |
| Width (Inches): | 15-1/2" |
| Weight (lbs): | 301 lbs |
| Depth (Inches): | 33" |
| Warranty: | 1 Year (Boiler Parts), 25 Year Limited (Heat Exchanger) |

Replacement Parts
SKU: ES24BPI-T
Brand: Burnham
