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Bosch
Model - GWH425HN
The Pro Tankless™ by Bosch 425 HN 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. This technology is patented by Bosch and is available on the Pro Tankless™ by Bosch 425 HN tankless gas water heater.
(Operates only one major appliance at a time)
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Features:
- Baked epoxy finish casing - chip and scratch resistant
- Solid copper heat exchanger
- Stainless steel burners
- 83% Efficiency
- User adjustable termperature control
- Power vent option available
- Available in natural gas or LP gas
- Safety thermocouple and over heat shut off protection
Specifications:
| Energy factor : | .80 |
| Thermal Efficiency : | 83% |
| Input : | 117,000 BTU’s/Hr |
| Minimum flow rate : | 0.5 GPM |
| @ 50° F rise : | 3.6 GPM |
| @ 55° F rise : | 3.3 GPM |
| @ 65° F rise : | 2.8 GPM |
| @ 75° F rise : | 2.4 GPM |
| @ 90° F rise : | 2.0 GPM |
| Flue size : | 5" |
| Water inlet : | .5" NPT |
| Gas inlet connection : | .5" NPT |
| Height : | 29.75" |
| Width : | 18.25" |
| Depth : | 8.75" |
| Shipping weight : | 44 lbs |
Additional Images:

Model - GWH425HN |

Working Heater |

Model - GWH425HN |
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6637 Arctic Spur Road, Anchorage, Alaska 99518
Phone 907.278.7441· Fax 1.888.505.9654
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