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Bosch GWH635ES
MSRP: $1,398.00
Price: $1,048.50
You Save: $349.50 (25 %)
Please check for availability
Item Number: 18975
Manufacturer Name: Bosch
Manufacturer Part No: GWH635ES
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Freeze Prevention Kit
Installation Manual
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Interior Parts Diagram
Remote Control Manual for 635 ES
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Technical Specifications
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Power Input
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NG: 35,000 - 175,000 Btu
LP: 31,000 - 175,000 Btu
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Minimum Flow
Rate to Activate
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.8 gallons per minute
(gpm)
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Flow Rates
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90° F rise / 3.2 gpm
75° F rise / 3.9 gpm
65° F rise / 4.5 gpm
55° F rise / 5.2 gpm
45° F rise / 6.4 gpm
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Energy Factor
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.80
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Thermal Efficiency
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87% (recovery efficiency)
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Dimensions
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23½”h x 15¾”w x 8½”d
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Weight
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47 lbs. (21 kg)
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Ignition
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Electronic
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Life Expectancy
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20+ years
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Optional Accessories
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Wireless Remote control
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Installation Specifications
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Gas Connection
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¾" Male NPT
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Water Connection
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¾" Male NPT
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LP Gas Pressure
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Minimum: 11" WC
Maximum: 14 " WC
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NG Gas Pressure
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Minimum: 5" WC
Maximum: 14 " WC
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Water Pressure
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Minimum: 30 PSI
Maximum: 150 PSI
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Electrical Supply
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120 VAC 50/60 Hz
Idle 40mA, Operation ≤ 2.5A
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Warning: Do not mount heater directly onto vinyl
siding. A 6' x 4' area of vinyl siding must first be covered or
replaced with wood or other non-plastic material.
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High Altitude Operation
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Altitude
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Natural
Gas
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Liquid
Propane
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Special
Notes
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0 - 4,000 ft
(0-1,219 m)
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no
modification
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no
modification
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For operation at elevations above 2,000 ft (610 m)
the equipment ratings shall be reduced at the rate of 4% for each 1,000 ft
(305 m) above sea level.
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4,000 ft - 7,000
ft
(1,219m-2,134m)
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CO2 adjustment with flue gas analyzer
required
Refer
to this tech bulletin.
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Above 7,000 ft
(above 2,134 m)
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Not approved
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