Bosch

7733600078 KBR21 Greenstar™ Floor Standing Residential Gas Boiler Propane and Natural Gas, 79,200 BTU/hr

BTC7733600078 MFG #: 7733600078
7733600078 KBR21 Greenstar™ Floor Standing Residential Gas Boiler Propane and Natural Gas, 79,200 BTU/hr
  • Connection Type: 3/4 in NPT
  • Fuel Type: Liquid Propane / Natural Gas
  • Ignition Type: Electronic
  • Input Capacity: 79,200 BTU/hr
  • Vent Type: Direct
  • Dimensions: 41 in H x 21-7/8 in D x 19-9/16 in W
  • Manufacturer: Bosch Thermotechnology Corp.
  • Manufacturer #: 7733600078
  • Mounting Type: floor
  • Series: Greenstar
The 95% AFUE Greenstar FS series is designed to upgrade cast iron floor boilers to a ultra-high efficient condensing boiler at lower installed cost by simplifying the installation.

  • Features
  • Footprint: Fits in the same footprint as an existing floor boiler, no added cost to build a wall or move the boiler to an outside wall
  • Piping: Low loss header pre-piped “under-the-hood”, no need for primary/secondary piping, pipes just like the existing boiler
  • Wiring: Connection boxes (both high & low voltage) conveniently located on the back of the boiler for quick and easy connection
  • Venting: Options include 2” polypropylene (PP), flexible PP chimney liner, concentric PP kit, PVC or CPVC
  • Control: Simplified control, no programming required