GB162-100 Condensing Gas Boiler, 263,000 BTU
Brand: Buderus
Part#: 7738002811
Model: GB162-100
Usually ships: within 2-3 business days
Note 1: Part# 7746900400 (single boiler kit) is required when installing a single GB162-100 model and must be purchased together with boiler.
Bosch (Buderus) GB162-100 model, wall-hung, heat-only residential gas condensing boiler with 263,000 BTU (NG, Net) rating. Energy Star listed. Pump module included.
Note 2: LP gas conversion kit (part# 774690099) is not included, but can be ordered free of charge with the boiler by making a note in the Comments section on the Checkout page.

Technical Specifications:
  • Input (BTU): 72,000 - 333,000 (for NG)
  • 62,000 - 315,000 (for LP)
  • DOE Rating (BTU): 302,000 (for NG)
  • 282,000 (LP)
  • Net IBR Rating (BTU): 263,000 (for NG)
  • 245,000 (for LP)
  • Efficiency (AFUE): 96.1% (low fire), 90.8% (high fire) - not AHRI efficiency
  • Boiler Type: Condensing
  • Turndown (Modulation) Ratio: 5 : 1
  • Fuel Type: Natural Gas (NG) or Propane (LP)
  • System Type: Hydronic (Hot Water)
  • Gas Connection: 1"
  • Condesate Amount Produced: 2.85 Gal/hr (@ 122°F/86°F)
  • Max. Working Pressure: 50 psi
  • Max. Output Water Temperature: 180°F
  • Vent Size: 4" (100mm)
  • Vent Material: PVC, Cat. III Stainless Steel
  • Inlet Gas Pressure (WC): 5 - 10.5" (for NG), 8 - 13" (for LP)
  • Max. Elevation: 10,200 ft (see Literature for detailed de-ration values for NG & LP)
  • Mounting Type: Wall-hung (wall-mounted)
  • Dimensions (Depth x Width x Height): 18-3/8" x 20-1/2" x 44-3/4"
  • Weight (lbs): 189
  • Water Volume (gallons): 1.3.
 
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