Buderus G115WS/3 Logano-series model is Energy Star listed, floor-standing, 3-section, residential oil-fired boiler with 87% AFUE and 74,000 BTU (Net) rating.
Includes B-Kit comprised of burner mounting bolts set, supply manifold (1-1/4" x 1-1/4" x 3/4" x 1/4"), 1-1/4" black 90° elbow, 3/4" black 90° elbow, 1-1/4" x 3" black pipe nipple (BST x NPT), boiler drain, 30 psi relief valve, T&P gauge and adjustable boiler feet.
Note: burner kit sold separately.
For use with part# 7738004841 chimney vent KP kit (includes Riello F3 oil burner, Grundfos circulator w/ IFC, Hydrolevel Hydrostat 3250 control, 3ft flexible oil line and wiring harness). For direct vent, use part# 7738004850 KP kit (incl. Riello BF3 burner, Grundfos circulator, 3250 control, 3ft oil line and wiring harness).
Note: if you are buying this boiler in conjunction with LT Series indirect water heater, make a note in the checkout and we will include mounting hardware free of charge.
- Gross Output (BTU): 85,000 - chimney vent
- 74,000 - direct vent
- Net IBR Rating (BTU): 74,000 - chimney vent
- 64,000 - direct vent
- Oil Firing Rate (GPH): 0.7 (chimney vent)
- 0.6 (direct vent)
- Efficiency (AFUE): 87%
- Boiler Type: Non-Condensing (cast-iron heat exchanger)
- Number of Sections: 3
- Fuel Type: #2 Oil
- System Type: Hydronic (Hot Water)
- Boiler Connections: 1-1/4" NPT Supply, 1" NPT Return
- Max. Working Pressure: 58 psi
- Max. Output Water Temperature: 194°F
- Vent Size: 5"
- Vent Material: Regular Chimney Pipe or Flexible Stainless Steel (see Literature for tips & details)
- Insulation thickness: 3"
- Mounting Type: Floor-standing
- Dimensions (Depth x Width x Height): 23-5/8" x 23-1/2" x 34-1/2"
- Recommended Clearance: 15" side, 20" rear
- Weight (lbs): 330
- Water Volume (gallons): 8.7.