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Bosch
GWF 425 EF Gas Tankless Water Heater
Whole house "on demand" gas-fired water heating system. Features
a built-in power vent, an electronic ignition and no standing pilot. This unit
is ideal for residential use when the installation calls for horizontal venting.
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Bosch
GWF 425 HN Gas Tankless Water Heater
Whole house "on demand" gas-fired water heating system. Incorporates
a revolutionary hydro-generated ignition system, allowing the water heater to
operate without a standing pilot, electricity, or a battery. A small turbine in
the water heater uses the energy from the flowing water to ignite the spark.
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Bosch
GWF 635 ES Gas Tankless Water Heater
Bosch's most powerful gas, tankless, whole-house water heating system.
Powerful enough to supply two showers running simultaneously. Direct vent room
sealed combustion. Requires no special tools to install or maintain. Compact size.
Built-in power vent makes both vertical and horizontal venting possible while
the electronic ignition maximizes energy efficiency.
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