Greenstar 79 Condensing Gas Boiler, 62,000 BTU

Greenstar 79 Condensing Gas Boiler, 62,000 BTU
Greenstar 79 Condensing Gas Boiler, 62,000 BTU QR Code
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Views: 610 Product Code: Greenstar 79

MPN: ZBR21-3

Weight:103.60 lb

Dimensions (L x W x H ): 38.00 x 20.00 x 16.00

Usually ships: 7-10 business days
$2,439.95
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Bosch Greenstar series, 79-ZBR21 model, wall-mounted heat-only gas condensing boiler with 62,000 BTU (Net) rating. Energy Star rated. Includes built-in pump, LPG conversion kit, 3" twin pipe adapter and outdoor reset control.


Technical Specifications:

  • Input (BTU): 24,600 - 79,200
  • DOE Rating (BTU): 71,000
  • Net IBR Rating (BTU): 62,000
  • 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: 0.5 Gal/hr (@ 86°F)
  • Max. Working Pressure: 30 psi
  • Max. Boiler Output Water Temperature: 190°F
  • 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): 103.6
  • Water Volume (gallons): 0.952.
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