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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Bosch ProTankless™ GWH 425 HN
Patented Bosch Hydro-Generated Ignition Technology
The Bosch engineers have proven that water can indeed make fire. The pilot is ignited by a super-concentrated spark generated by a micro-turbine. The micro-turbine is activated by a request for hot water in the house. This energy efficient technology makes the 425 HN ideal for households looking to maximize energy savings.
- No Electricity Required
- H 29¾" x W 18¾" x D 8¾"
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Bosch ProTankless™ GWH 635 ES
Powerful enough to supply two showers* running simultaneously!
Our most powerful offering. Certainly the engineers at Bosch have outdone themselves — the beauty of this unit is in its simplicity. The 635 ES requires no special tools to install or maintain. And its compact size and sealed combustion enables installation in small spaces. A built-in power vent makes both vertical and horizontal venting possible while the electronic ignition maximizes energy efficiency. This unit yields enough power to supply two showers simultaneously and features an adjustable temperature control for improved comfort.
- Direct Vent Room Sealed Combustion
- H 23½" x W 15¾" x D 8½"
*each shower = 2.5 gpm at a 50ºF rise. |
