Home     About Us     Contact Us     Products     Cart     Log In

Search   Help   Site Guide   Register   < Back

Bosch 425HN Tankless Water Heater Techs & Specs Applications and sizing BTU Input 117,000 Energy Factor .78 Average Efficiency 82% Ignition Hydro-Generated Volatage N/A Vent Size Minimum 5-inch Vent Options Conventional Flue Minimum Flow Rate (gpm) 0.5 Capacity Capacity 4.25 gpm @ 45°F rise Weight 44 lbs. Optional Accessories Optional Accessories AQ-1: Power Vent Kit Bosch 425HN Tankless Water Heater Model Manual (886kb) Bosch 425HN Tankless Water Heater Model Parts (224kb) Bosch 425HN Water Valve Maintenance and Service (158kb) Bosch 425HN Cleaning Inlet Filter Screen (187kb) Bosch 425HN Measuring Gas Pressure (120kb) Bosch 425HN Removing and Cleaning Burners (180kb) Bosch 425HN Cleaning / replacing pilot orifice or replacing pilot assembly (116kb) Bosch 425HN Combustion Air Requirements (116kb) Bosch 425HN Quick Reference Chart For Measuring Flow Rates (75kb) Bosch 425HN Activation Minimun Flow Requirements (81kb) You need to have Acrobat Reader on your PC in order to open any of our manuals. Get Acrobat Reader for free to view manuals if you don't already have it. Return to Bosch Tankless Water Heater Main Page