Specifications

8 | Appliance details
830 ES6 720 644 936 (2013/01)
3.3.1 The box includes
• 830 ES
• Bracket for wall hanging the heater
• Exhaust vent adaptor (with 4 screws and gasket provided)
• Combustion air inlet adaptor (with 3 screws and gasket provided)
• Installation manual (manual can be downloaded at www.bosch-
climate.us)
• Product registration card
Please complete and return the enclosed product registration card.
The 830 ES is not approved or designed for:
• Manufactured (mobile) homes, boats or any mobile installation.
(Modular homes are acceptable for installation).
• Use above 8000 ft A.S.L. altitude (see page 21).
• Outdoor installation without installation of Outdoor kit (BTOK).
• Applications where inlet water temperature is higher than 140°F
(60°C). A 3-way valve or mixing valve must be installed before
the appliance if inlet water temperature exceeds this limit.
3.3.2 Remove front cover
▶ Loosen the two Phillips head screws located on bottom rear of cover.
Fig. 3 Loosen the two screws
▶ Lift front cover panel upward and remove.
Fig. 4 Remove the front cover
3.3.3 Remove combustion cover (service only)
▶ Open the four clips and remove the combustion cover.
Fig. 5 Remove the combustion cover
3.4 General rules to follow for safe operation
• 1. You must follow these instructions when you install your heater. In
the United States: The installation must conform with local codes or,
in the absence of local codes, the National Fuel Gas Code ANSI
Z223.1/NFPA 54.
6720644956-11.1V