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Appliance details
5
Call Bosch Water Heating through Bosch
thermotechnology corporation for conversion
instructions.
Voltage
120 V AC (60 Hz) nominal
Amperage
Idle - 40 mA
Operation - ≤ 2.5 A
Noise
45 - 65 db (A)
Safety devices
• Flame failure device (ionization flame rod sensor)
• Pressure relief valve (supplied with heater)
• Over heat prevention (temperature limiter)
• Inlet temperature sensor
• Outlet temperature sensor
• Backflow temperature sensor.
Water protection
IP X4 (protection against water drops)
2.3 Unpacking the GWH 2400 ES
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.
Fig. 2 Rating plate
A Serial number
B Type of gas
The box includes:
• GWH 2400 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 2400 ES is not approved or designed
for:
• Manufactured (mobile) homes, boats or any mobile
installation (modular homes are acceptable for
installation)
• Use above 4500ft A.S.L. altitude
• Outdoor installation without installation of Outdoor
kit (AQOK)
• Space heating purposes
• Preheated inlet water supply.
i
If appliance is installed at elevations
between 2000ft and 4500ft, a
combustion gas analyzer is required for
proper calibration of appliance. (see page
22).