Residential Boilers - Oil Boilers
Series WB90™ Boiler
The Series WB90™ oil-fired boiler is ENERGY STAR® certified with a 90% efficiency. The residential, cast iron boiler is designed for hot water systems and is ideal for both direct and chimney venting. The boiler features a sleek, two-piece molded boiler jacket with removable lens for viewing the operation of the boiler. A non- prorated lifetime warranty on the heat exchanger provides peace of mind for years to come!
Product Details:
Type: Residential
Construction: Cast Iron
Fuel: Oil-Fired
Input: 70 to 182 MBH
Output: 111 to 160 MBH
Trim: Water
Combustion: Flame Retention Burner
Series WB90™  |
Water Content, Gallons | |||||||
|---|---|---|---|---|---|---|---|---|
| Model Number | Input Rate1 | Heating Capacity4, MBH | Net Ratings2,3 |
AFUE4, % | ||||
| Minimum | Maximum | Minimum | Maximum | |||||
| GPH | MBH | GPH | MBH | |||||
| WB90-03 | 0.90 | 126 | .05 | 70 | 111 | 97 | 90.0 | 11.75 |
| WB90-04 | 1.30 | 182 | 0.75 | 105 | 160 | 139 | 90.0 | 14.75 |
- Burner input based on No. 2 fuel oil and a heating value of 140,000 Btu per gallon.
- Water ratings based on an allowance of 1.15.
- Consult factory before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
- Heating Capacity and Annual Fuel Utilization Efficiency (AFUE) ratings are based on U.S. Government tests.
Series WB90™ Boiler Dimensions
| Boiler Model Number | Jacket Depth “A” |
Jacket Width “B” |
Jacket Height “C” |
Vent Size Diameter “D” |
|---|---|---|---|---|
| WB90-03 | 18-3/8″ | 23-5/8″ | 39-1/4″ | 4″ |
| WB90-04 | 22-3/8″ | 23-5/8″ | 39-1/4″ | 4″ |