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Bosch 425HNO-L Outdoor Tankless Water Heater - Liquid Propane - 117000 BTU

Bosch Tankless Water Heaters - 425HNO-L Outdoor Tankless Water Heater - Bosch Liquid Propane Water Heater

Presenting the Bosch 425HNO-L Liquid Propane Outdoor Tankless Water Heater that is designed for installation outdoors in warm, non-freezing climates. The 117000 Btu gas tankless water heater requires no venting and thus reduces installation costs dramatically. This Bosch model provides endless hot water and maximizes energy savings with 83% efficiency and 0.84 energy factor. This elegantly engineered water heater from Bosch has a full 15-year warranty when installed professionally (12-year warranty otherwise). This Bosch unit may be the last water heater you ever need to buy.

Bosch 425HNO-L Liquid Propane Outdoor Tankless Water Heater

Bosch Outdoor Tankless Water Heater 425HNO-L - Technical Specifications
Power Input28,000 - 117,000 BTU
Minimum Flow to Activate0.5 gallons per minute (gpm)
Flow Rates45 F rise @ 4.2 gpm
55 F rise @ 3.4 gpm
65 F rise @ 2.9 gpm
77 F rise @ 2.4 gpm
90 F rise @ 2.1 gpm
Energy Factor0.84
Thermal Efficiency83%
Dimensions36.75" H x 18.25" W x 10.5" D
Weight57 lbs.
Modulating Gas Valve Yes
IgnitionHydro-generated

Bosch Outdoor Tankless Water Heater 425HNO-L - Installation Specifications
Gas Connection3/4" Male NPT
Water Connections1/2" Male NPT
LP Gas PressureMinimum: 11"wc
Maximum: 14"wc
Water PressureMinimum: 30 PSI
Maximum: 150 PSI
Electrical Supply120VAC for freeze protection (plug in)
Vent SizeNo Venting Required

Bosch Outdoor Tankless Water Heater 425HNO-L Features :

  • Installs outside the home
  • NO PILOT LIGHT!
  • Freeze protection to 5 deg F when plugged into 120VAC
  • No electricity required if Freeze Protection not needed
  • No vent pipe needed
  • All water parts are solid copper or solid brass
  • Unit is constructed with stainless steel and aluminum
  • Casing is finished with baked epoxy
  • Heat exchanger is made of solid copper
  • Burners are made of stainless steel
  • Unit has a safety thermocouple and overheat shutoff protection
  • CSA design certified compliant with ASHRAE 90.1
  • 83% efficiency rating and 0.84 energy factor
  • Longest warranty (15 years on the heat exchanger when professionally installed; 2 years on parts)
  • Pressure relief valve included
  • Hydro-generated ignition
  • Modulating gas valve - constant temperature at varying flow rates
  • Easy three-step installation
  • Qualifies for $300 U.S. Federal Tax Credit
Product#: 425HNO-L
Dimensions: 36.75" H x 18.25" W x 10.5" D
Strength: 117,000 BTU
Type Of Fuel: Liquid Propane
Price:$755.65

Our Price: $635.00 Buy Now


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