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Blueline Oil Fired Water Boiler, Series: Blueline, BL-4R Model, 0.831 AFUE, 137 MBH Input, 117 MBH Heating BTU, 102 MBH Net BTU Rating, 1 gal/hr, 1-1/4 in Supply/Return Connection, Oil Fuel, Direct and Natural Vent, F5 Burner, 5.28 gal Input, 18 ft H x 6 in Dia Chimney Size, 0.055 in WC for Draught, 1.65 in WC for Water at 65 deg F, 4 -Section, 13.4 Net Rating, Cast Iron, 19-5/8 in W x 31-1/2 in H x 19-17/32 in D
| AFUE Rating | : | 0.831 |
| BTU Rating | : | 137 MBH Input, 117 MBH Heating |
| Burner Type | : | F5 |
| Chimney Size | : | 18 ft H x 6 in Dia |
| Connection Type | : | 1-1/4 in Supply/Return |
| Dimensions | : | 19-5/8 in W x 31-1/2 in H x 19-17/32 in D |
| Flow Rate | : | 1 gal/hr |
| Fuel Type | : | Oil |
| Input Capacity | : | 5.28 gal |
| Material | : | Cast Iron |
| Model | : | BL-4R |
| Net BTU Rating | : | 102 MBH |
| Net Rating | : | 13.4 |
| Number of Sections | : | 4 |
| Resistance | : | 0.055 in WC for Draught, 1.65 in WC for Water at 65 deg F |
| Vent Type | : | Direct and Natural |
- Limited lifetime warranty
- Low water content
- Low oil consumption
- Low temperature operation
- Cast iron GG 20
- Triple thermal passages
- Proven reliability
- Quiet operation
- Hinged front door
- European styling
Specification Sheet