Bosch GWH-425-HN-L Tankless Water Heater, Indoor Use
Product Description
Bosch GWH-425-HN-L Tankless Water Heater, Indoor UseIdeal for households looking to maximize energy savings. New homeowners want the energy-efficient, endless supply of hot water only a gas tankless water heater can deliver. And no one has a more complete line or gives you a longer warranty than Pro Tankless by Bosch. Elegantly engineered, these units are small, lightweight, and easy to install and maintain.
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.
Bosch GWH-425-HN-L Tankless Water Heater, Indoor Use Features:
Hydro-generated ignition
80% average efficiency
Venting: 5" double-wall type B vent - natural draft
Modulating gas valve - constant temperature at varying flow rates
Available in natural gas (NG) or liquid propane (LP)
15-year warranty
No Electricity Required
Bosch GWH-425-HN-L Tankless Water Heater, Indoor Use Specifications:
Gas Type: LP (Liquid Propane)
Power Input -
o NG: 28,000 - 117,000 Btu
o LP: 28,000 - 117,000 Btu
Minimum Flow Rate to Activate - 0.5 gallons per minute (gpm)
Flow Rates -
o 90° F rise / 2.1 gpm
o 75° F rise / 2.4 gpm
o 65° F rise / 2.9 gpm
o 55° F rise / 3.4 gpm
o 45° F rise / 4.2 gpm
Energy Factor -
o NG: .85
o LP: .84
Thermal Efficiency -
o NG: 80%
o LP: 83%
Dimensions - 29¾"h x 18¼'w x 8¾"d
Weight - 40 lbs.
Ignition - Hydro-generated
Life Expectancy - 20+ years
Optional Accessories - Power Vent Kit - AQ1
Modulating Gas Valve - Yes
Gas Connection - ¾" Male NPT
Water Connection - ½" Male NPT
LP Gas Pressure - Minimum: 7" WC, Maximum: 14 " WC
NG Gas Pressure - Minimum: 11" WC, Maximum: 14" WC
Water Pressure - Minimum: 30 PSI, Maximum: 150 PSI
Electrical Supply - None
Vent Size - 5" (double-wall type B)
* On a combustible wall surface the unit should be mounted away from the wall to provide adequate clearance of the vent pipe.
* Not approved for use in mobile homes, boats, or RVs.
Product Details and Features
- Manufacturer and Model: Bosch GWH-425-HN-L
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