Tankless Water Heater 520 PN

888 718-8448
Tankless Water Heater 520 HNTankless Water Heater 660 EF



Tankless Water Heater 520 PN




This Bosch Therm 520 PN model offer Piezo push-button ignition and utilizes a modulating gas valve to ensure a constant temperature at varying flow rates. The 520 PN is the perfect tankless solution for smaller families and households that only use no more than two hot water applications at a time. While it provides endless hot water, it saves money because it only heats water when you need hot water.

Therm 520 PN Specifications:

  • Non-Condensing
  • Residential Application
  • Max Input (BTU) 117,000
  • Min Input (BTU) 30,725
  • Capacity at 35°F Rise (gpm) 5.3
  • Capacity at 55°F Rise (gpm) 3.4
  • Thermal Efficiency 78%+
  • Installation - Indoor
  • Dimensions (w x h x d) 18½" x 36¾" x 10½"
  • Weight (lbs.) 35
  • Inlet Connection ½" NPT
  • Outlet Connection ½" NPT
  • Gas Connection ¾" NPT
  • Max Water Pressure 150 psi
  • Min Water Pressure 30 psi
  • Min NG Presure 5.7" WC
  • Venting - Galvanized B-Vent

Features & Benefits:

  • Piezo ignition system requires no electrical connection
  • 78%+ thermal efficiency
  • 117,000 BTU maximum input
  • 5.3 gallons per minute capacity at 35F degree rise
  • Endless hot water for up to 2 applications at a time
  • Minimum activation flow rate of 0.5 gallons per minute
  • High to low temperature control
  • Vents with galvanized B vent – natural draft
  • Built for durability and serviceability with 15-year warranty and 20+ year life expectancy

Warranty:

  • 15 year limited warranty on heat exchanger
  • 2 year warranty on all other parts