Pennco Silver 15B-175K 7 Zone 175,000 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" NPTGas Inlet: 1/2" NPT120 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 HoodOptions: Heat Pump, High Altitude Orifice Kit, LP Conversion Kit175,000 BTU Input3.7 Gallon Capacity7" Flue DiameterProduct BrochureUser ManualInstallation and Operating ManualParts ListWarranty