Bosch GWH 425 EF
GWH 425 EF Bosch Tankless Water Heater
 
   

Bosch ProTankless™ GWH 425 EF

Perfect for situations that require sidewall venting.

The 425 EF has all the durability and performance of the 425 HN, with an added bonus—a built-in power vent. This makes the unit ideally suited for households requiring horizontal, through-the-wall venting only.

  • Electronic Ignition
  • Built-in Power Vent

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Note: Tax credit does not apply to the 425 EF Natural Gas (NG) model but does apply to the Liquid Propane (LP) model.

NOTE: For Massachusetts Residences considering purchasing and installing the 425EF, please read this document: Sidewall Venting Information for Commonwealth of Massachusetts [PDF].
NOTE: Not approved for use in mobile homes, boats, or RVs. Specifications and product information subject to change without notice.
   
GWH 425 EF
Bosch ProTankless GWH 425 EF
Technical Support
 
Note: Specifications and product information subject to change without notice.