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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

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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