Pennco Silver 15B-175K 7 Zone 175,000 BTU Residential Cast Iron Natural Gas Boiler

  • SKU #: PEN15B175K
  • MPN #: 15B-175K
MSRP: $4,104.00
$3,526.92
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The 15B-K is a gas-fired residential boiler with quiet and highly efficient operation. It’s energy saving features include the electronic ignition system and motorized vent damper. The 15B-K offers more installation flexibility with water, gas and electrical connection options available out the left or right sides of the boiler.

  • 84% AFUE Efficiency: Energy saving features include the electronic ignition system and motorized vent damper to reduce heating costs.
  • Proven Cast-Iron Heat Exchanger Design: Features a dependable cast-iron heat exchanger with dry leg end sections. Each cast-iron heat exchanger is water and pressure tested prior to assembly.
  • Internal Operating Control: Digital display and diagnostics. Control adjusts the water temperature based on the heating system demand to reduce your heating costs.
  • Internal LWCO and Gas Valve: Factory installed gas valve and low water cut-off (LWCO) - protects the boiler from potentially dangerous low water conditions.
  • Easy to Service Burner: Removable burner tray allows for easy cleaning and quick access to change orifices: LP gas, high altitude.
  • Easy to Install Draft Diverter: Includes a low profile draft diverter hood reducing installation height by up to 30" when compared to models with external hoods.
  • Warranty: 20 Year Limited Warranty (Residential)
  • Water Return/Supply: 1 1/4" NPT
  • Gas Inlet: 1/2" NPT
  • 120 Volts AC, 60 hertz, 1 phase, less than 12 amps (15 amp circuit recommended)
  • Parts Included: Boiler, Boiler Jacket, Drain Valve, 30 PSI Relief Valve, Pipe Nipples, Reducing Couplings, Bushings, T&P Gauge, J-Box, Close Nipple, Tee, Circulator Harness, Damper, Draft Hood
  • Options: Heat Pump, High Altitude Orifice Kit, LP Conversion Kit
  • 175,000 BTU Input
  • 3.7 Gallon Capacity
  • 7" Flue Diameter
  • Product Brochure
  • User Manual
  • Installation and Operating Manual
  • Parts List
  • Warranty