Pennco Silver 15B-205K 8 Zone 205,000 BTU Residential Cast Iron Natural Gas Boiler

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: 3/4" 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
• 205,000 BTU Input
• 4.1 Gallon Capacity
• 7" Flue Diameter

Want to learn more about this boiler? Read more about it in our article on the best steam boilers.