Bosch GWH C 800 ES - Appliance Details; Features; GWH C 800 ES Specifications (Technical Data)

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Appliance details
2 Appliance details
2.1 Features
Parts
• Key Pad interface control
• High power pre-mix compact burner with low NOx
emissions
• Modulating Gas Valve with constant gas:air ratio
control
• Modulating water valve for improved comfort and
temperature control.
High quality materials for long working life
• Copper heat exchanger
• High efficiency Ceramat Burner
• Compact space saver: mounts on a wall with a
supplied bracket.
Features
• Easily removable one-piece cover
• LCD Display with backlight
• On/Off and Temperature control switches
• Reset button
• Program button (Selectable temperature default)
• Failure codes for easy diagnostics and repair
• Real-time diagnostics for troubleshooting/informa-
tional purposes.
Accessories (Bosch part #)
• Optional wireless remote control to operate with the
appliance (TSTAT2)
• Cascading kit (TLINK)
•Outdoor kit (PTOK)
• External water filter (part # 8 703 305 356)
• Concentric termination kit (KGAVT0601CVT).
2.2 GWH C 800 ES Specifications
(Technical data)
Approved in US/Canada
Capacity
Maximum flow rate: 8.0 GPM (30 l/min) at a 45°F
(25°C) rise.
Maximum output
179,300 Btu/h (52.5 kW)
Maximum input
199,000 Btu/h (58.3 kW)
Efficiency in %
Thermal efficiency > 92%
Minimum Input
19,900 Btu/h (5.8 kW)
Temperature Control
Selection range: 100°F (38°C) - 140°F (60°C)
Default temperature: 122°F (50°C)
Stability: +/- 2°F (+/- 1°C)
Gas Requirement
Gas connection (inches) - ¾”
Inlet gas pressure under operation (with a high hot
water flow rate)*
• Propane: 9” - 14” water column
• Natural Gas: 4” - 14” water column.
* To measure Gas Pressure, see Measuring Gas
Pressure, chapter 3.13, page 26.
Water
• Hot water connection (inches) - ¾”
• Cold water connection (inches) - ¾”
• Water valve material: Polymer (PPS) (Polypropylene
Sulfid)
• Minimum water flow: 0.65 gallon/minute (2.5 l/m)
Note: Activation varies with inlet water temperatures
from 0.65 - 1.6 gallon/minute (2.5 - 6.1 l/m).
• Minimum recommended water pressure: 30 PSI
(2.07 bar)
• Minimum well pressure 40 psi, see page 12.
• Connections:
– Bottom of heater
Combustion
•NOx ≤ 55 ppm
•CO ≤ 250 ppm (air free)
•CO
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level set from factory, see chapter 6.5, page 33.
i
BOSCH is constantly improving its
products, therefore specifications are
subject to change without prior notice.