Product Description
Bosch T520 HN LP Tankless Water Heater, Indoor Use
Ideal 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 T520 HN LP 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
Also know as: GWH-520-HN-L
Bosch T520 HN LP 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)
* Also Known As: Bosch GWH-425-HN-L Tankless Water Heater, Indoor Use
* 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 520 HN LP
- Shipping Restrictions: Ground Only
- Destination Restrictions: Can't ship to Alaska, Hawaii
- Oversize: No
- Ground Shipping Only