Note: product title indicates boiler's Net AHRI (Net IBR) rating
Highlander series boiler is a fan-assisted (Power Vent) type cast iron boiler, which can also be converted to Direct Vent (sealed combustion) using included kit (see product pictures) - no chimney required.
Fan-forced design allows for up to 50ft of vertical or horizontal vent length and utilizes 3", Cat. III (AL29-4C) vent pipe.
Highlander is a cost-attractive, quality boiler with USA-made heat-exchanger and industry-leading, familiar controls (concealed behind easy-access front panel) and is ideally suited for both new installations and renovations where chimney venting is impractical or not possible.
Boiler includes: Direct Vent Installation Kit (optional installation, room combustion air setup also acceptable), Vent Adapter, HydroStat 3200 Control, Honeywell Step-Opening Redundant Gas Valve, Taco 007e Circulator w/ Flanges, Spark Ignition w/ Continuous Retry, Drain Valve, Pressure Relief Valve (Watts or Apollo brand), Temperature & Pressure Gauge and Manifold.

  • Includes parts for Direct Vent (sealed combustion using outdoor air) or Power Vent (using indoor combustion air) installation - no chimney needed
  • Premium-level controls: Honeywell/Resideo S8610 & Hydrolevel HydroStat 3200
  • Honeywell/Resideo gas valve
  • Taco 007e high efficiency ECM circulator included (with flanges)
  • Stainless steel precision burners
  • Powder coated steel jacket with heavy-gauge, 1" base insulation
  • Assembled in Pennsylvania with USA-made components, including robust, time-tested and efficient cast iron heat exchanger with metal section connections for increased boiler life

Technical Specifications:
  • Input (BTU): 140,000
  • Net AHRI Rating (BTU): 104,000
  • DOE Heating Capacity (BTU): 120,000
  • Efficiency (AFUE): 85%
  • Fuel Type: Natural Gas
  • Boiler/System Type: Hot Water (Hydronic) Cast Iron Gas Boiler
  • Boiler Connections: 1-1/4" NPT - Supply/Return Connections, 3/4" NPT - Relief Valve, 3/4" NPT - Drain, 1/2" NPT - Gas
  • Pressure Specs: 30 psi relief valve setting, 50 psi max. allowed working pressure
  • Vent Type: Direct Vent (sealed combustion using outdoor air) or Power Vent (using indoor air for combustion) - includes hardware/functionality for using either option
  • Vent Pipe Size: 3" (Cat III, AL29-4C vent pipe - any brand)
  • Internal Water Volume: 4 Gallons
  • Dimensions: 18-1/2" Wide x 27" Deep x 38" High
  • Weight: 360 lbs (approx shipping weight)
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