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Greenstar 100 Condensing Gas Combi Boiler, 79,000 BTU

Greenstar 100 Condensing Gas Combi Boiler, 79,000 BTU
Greenstar 100 Condensing Gas Combi Boiler, 79,000 BTU QR Code
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Views: 1844 Model: Greenstar Combi 100

MPN: ZWB28-3

Weight:110.20 lb

Dimensions (L x W x H ): 13.90 x 17.40 x 33.50

Usually ships: 7-10 business days
$3,235.95
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Bosch Greenstar series, 100-ZWB28-3 model, wall-mounted combi gas condensing boiler (heat + tankless DHW) with 79,000 kBTU (Net) rating. Energy Star rated. Built-in pump, heat exchanger and expansion tank. Includes LPG conversion kit, 3" twin pipe adapter and outdoor reset control.

Technical Specifications:
  • Input (BTU): 24,600 - 100,800
  • DOE Rating (BTU): 91,000
  • Net IBR Rating (BTU): 79,000
  • Efficiency (AFUE): 95%
  • Boiler Type: Condensing
  • Turndown (Modulation) Ratio: 5 : 1
  • Fuel Type: Natural Gas (NG) or Propane (LP)
  • System Type: Hydronic (Hot Water)
  • Boiler Connections: 1" NPT
  • Gas Connection: 3/4" NPT
  • Condesate Amount Produced: 0.6 Gal/hr (@ 86°F)
  • Max. Working Pressure: 30 psi
  • Max. Boiler Output Water Temperature: 190°F
  • Domestic Water Connections: 3/4" NPT
  • Vent Size: 2" (up to 81ft w/ 1 elbows) or 3" (up to 100ft w/ 4 elbows)
  • Vent Material: PVC, CPVC, Single Wall (Rigid) PolyPropylene, Flex PolyPropylene, Cat III St. Steel
  • Inlet Gas Pressure (WC): 3.5 - 10.5" (for NG), 8 - 13" (for LP)
  • Max. Elevation: 6,000 ft
  • Mounting Type: Wall-hung (wall-mounted)
  • Dimensions (Depth x Width x Height): 13.9" x 17.4" x 33.5"
  • Weight (lbs): 110.2
  • Water Volume (gallons): 0.952
  • Max. DHW Flow @ 72°F Rise: 2.65.
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