GC144/4 Cast Iron Gas Boiler, 76,000 BTU
Brand: Buderus
Part#: 7738503408
Model: GC144/4
This product has been discontinued. No direct replacement is available at this time.
Buderus GC144/4 model is a non-condensing, cast iron type, floor-standing gas boiler with 85% AFUE and 76,000 BTU (NG, Net) rating. Includes 30 psi relief valve, tridicator gauge, circulator pump w/ 3ft whip and built-in draft hood with draft diverter and vent damper. For LP conversion, order part# 7738003477.

Technical Specifications:
  • Input (BTU): 103,000
  • DOE Rating (BTU): 87,000
  • Net IBR Rating (BTU): 76,000
  • Efficiency (AFUE): 85%
  • Boiler Type: Non-Condensing (cast-iron heat exchanger)
  • Ignition Type: Intermittent Electronic
  • Fuel Type: Natural Gas (NG) (convertible to propane with LP conversion kit - part# 7736660259)
  • System Type: Hydronic (Hot Water)
  • Boiler Connections: 1-1/4" NPT
  • Gas Connection: 1/2" NPT
  • Max. Working Pressure: 58 psi
  • Vent Size: 5"
  • Vent Material: Regular chimney pipe
  • Inlet Gas Pressure (WC): 4.7" - 10.5" (for NG)
  • 11" - 13" (LP)
  • Max. Elevation: 8,500ft
  • Mounting Type: Floor-standing
  • Dimensions (Depth x Width x Height): 30-1/4" x 16-3/4" x 34-3/8"
  • Weight (lbs): 287
  • Water Volume (gallons): 2.9.
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