New Yorker CG30E 51,000 BTU Output Spark Ignition Cast Iron Gas-Fired Water Boiler w/ LWCO (Nat Gas)

** Note: Product Title reflects this boiler's Net AHRI Rating, Water (MBH) Product Specifications 84% AFUE 70 MBH Input 59 MBH DOE Heating Capacity 51 MBH Net AHRI Rating, Water Chimney vented Integrated boiler control User-friendly Energy-saving "thermal purge" feature circulates residual warm water in heating system prior to firing boiler This item comes with 24V LWCO add-on kit Combo high limit circulator relay Natural gas Cast iron heat exchanger: Meets the ASME Boiler and Pressure Vessel Code Metal section connectors: Resist chemicals, increases the life of the boiler Step-opening gas valve: Provides smooth & quiet start-up Lifetime limited warranty Standard Equipment Insulated steel jacket Integral draft diverter, damper and connector included Heavy gauge 1" base insulation Integrated boiler control – Simple self-diagnostic control system with LEDs for status settings and errors Step-opening redundant gas valve 130°F minimum return temperature rating Spark ignition with continuous retry User-friendly...