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Bosch ProTankless GWH425PN
MSRP: $841.50
Price: $631.13
You Save: $210.37 (25 %)
Item Number: 43029
Manufacturer Name: Bosch
Manufacturer Part No: GWH425PN
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GWH425PN_Installation Manual
Interior Parts Diagram
Power Vent Manual
Standing pilot, no electricity required for the GWH 425 PN model.
- Standing pilot
ignition
- 78% average
efficiency
- Endless hot water
for one major application at a time
- 5 double-wall type
B vent Natural draft
- Modulating gas valve
ensures constant temperature at varying flow rates
- Pressure relief
valve included Available in natural gas (NG) or liquid propane (LP)
- 15-year warranty
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Technical Specifications
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GWH 425 PN
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Power Input
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NG: 31,000-117,000 Btu
LP: 31,000-117,000 Btu
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Minimum Flow to Activate (gpm)
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0.5 gallons per minute (gpm)
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Flow Rates
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90° F rise / 2.1 gpm
77° F rise / 2.4 gpm
65° F rise / 2.9 gpm
55° F rise / 3.4 gpm
45° F rise / 4.2 gpm
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Energy Factor
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NG: .69
LP: .79
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Thermal Efficiency
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NG: 78%
LP: 78%
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Dimensions
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H: 22¾" W: 16¾" D:
8½"
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Weight
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33 lbs.
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Modulating Gas Valve
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Yes
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Ignition
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Standing Pilot
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Optional Accessory
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Power
vent for horizontal venting (AQ4)
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Installation Specifications
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