Pros, Join Our TradeMaster Program!
Note: Product Title reflects this boiler's IBR Net Output Rating

The Challenger Solo Condensing Boiler's reliable copper tube/aluminum block heat exchanger paired with an advanced control that automatically regulates the capacity of the boiler to maximize efficiency without compromising comfort.

  • Copper waterway cast directly into the heat exchanger
  • Cast aluminum heat exchanger with vertical flueways
  • Compatible with Standard Glycol
  • 10 year limited warranty
  • Stainless steel burner with woven steel fibre mesh
  • Direct spark ignition
  • Variable speed blower assembly
  • Negative pressure regulated gas valve
  • Propane conversion kit included
  • 2" & 3" parallel venting (standard)
  • PVC,CPVC, SS material options
  • Digital control displays in US customary or metric units
  • Boiler low water protection
  • Advanced modulating temperature control
  • Outdoor reset
  • Freeze protection
  • High limit protection
  • 120V/60Hz Power supply
  • Thermostat
  • Primary pump
  • Outdoor sensor
  • Indirect water heater aquastat
  • Indirect water heater pump
  • EZ Install piping mounting bracket
  • 1" NPT boiler inlet and outlet
  • 3/4" condensate drain
  • Simple primary/secondary connections with optional Timesaver manifold
  • Read more
    IBR Rating:
    DOE Rating:
    BTU Input:
    20000 to 125000
    BTU Output:
    Fuel Type:
    Natural Gas
    Width (Inches):
    Height (Inches):
    Depth (Inches):
    System Type:
    Hydronic (Water)
    Vent Type:
    Direct Vent
    Speak with a real person who will go out of their way to help!
    Closed Now: Phone Hours
    Monday – Thursday
    8am–7:45pm ET
    9am–7:45pm ET

    5 Product Reviews

    Product Q&A

    Add-on Item

    This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

    Why don't we show the price of this item?

    We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

    To see the price, simply add the item to your cart or sign in.