Condensing ProTankless GWH C 800 ES
Bosch Tankless Model GWH C 800 ES
 
   
  GWH C 800 ES
Power Input NG: 199,000 BTU/Hr
LP: 199,000 BTU/Hr
Maximum Flow to Activate
0.65 gallons per minute (gpm)
Flow Rates
40°F rise@ 9.2 gpm
45°F rise@ 8.0 gpm
55°F rise@ 6.4 gpm
65°F rise@ 5.5 gpm
77°F rise@ 4.6 gpm
90°F rise@ 3.9 gpm
Energy Factor
NG: .91
LP: .91
Thermal Efficiency
NG: 92%
LP: 92%
Dimensions H: 30½" W: 17.875" D: 11¼"
Weight 74 lbs.
Modulating Gas Valve Min Firing Rate: 19,900 BTU/Hr
Max Firing Rate: 199,000 BTU/Hr
Ignition Electronic
Accessories Concentric Termination Kit (#BHW60L46)
Outdoor Kit (#PTOK)
[See PDF manual]
Wireless Remote (#TSTAT2)
[See PDF manual]

Tankless Link Cascading Kit (#TLINK)
Pipe Cover (#PTPCES)
[SEE PDF Manual]


GWH C 800 ES Installation Specifications
Gas Connection ¾" Male NPT
Water Connections ¾" Male NPT
NG Gas Pressure Minimum: 4" WC
Maximum: 14" WC
LP Gas Pressure Minimum: 9" WC
Maximum: 14" WC
Water Pressure
Minimum: 30 PSI
(Well): 40 PSI
Maximum: 150 PSI
Electrical Supply
120V - (plugs in)
Installation Clearance
Top: 12"
Front: 1"
Back: 0"
Sides: 1"
Floor: 12"

   
Technical Support
 
Note: Specifications and product information subject to change without notice.