Appliance details
2.3Unpacking the heater
Before installing the unit, be certain you have the correct heater for your type of Gas: Propane or Natural Gas. Identification labels are found on the shipping box, and on the rating plate which is located on the right side panel of the cover.
To remove front cover
B Loosen the two Philips head screws located on bottom rear of cover (see Fig. 3).
Fig. 2 Rating plate
ASerial number
B Type of gas
The box includes:
•GWH 2700 ES
•Pressure relief valve (150 psi / 200,000 Btu rating)
•Bracket for wall hanging the heater
•Exhaust vent adaptor (with 4 screws and gasket provided)
•Combustion air inlet adaptor (with 3 screws and gas- ket provided)
•Installation manual (manual can be downloaded at www.boschhotwater.com)
•Product registration card
•Energy Guide label.
Please complete and return the enclosed product registration card.
The GWH 2700 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 18)
•Outdoor installation without installation of Outdoor kit (AQOK)
•Space heating purposes
•Preheated inlet water supply.
Fig. 3 Loosen the two screws
BLift front cover panel upward and remove.
Fig. 4 Removing the front cover
To remove combustion cover (service only)
B Open the four clips and remove the combustion cover see Fig. 5.
Fig. 5 Remove the combustion cover
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