WTGO-5R - 128,000 BTU Output Cast Iron Gold Oil Boiler w/ Tankless Heater - Series 4 (No Circulator)

** Note: Product Title reflects this boiler's IBR Net Output Rating NOTE: Burner DOES NOT come included with the boiler and must be purchased separately. Requires GO-5 Burner Weil McLain WTGO boilers are high efficiency cast iron oil boilers with a variety of applications including: residential, light commercial, multiple boilers, indirect-fired water heating, and radiant heating. Standard Equipment: Factory tested and assembled cast iron section assembly Insulated steel jacket Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet) Swing-away burner mounting door Refractory blanket and target wall in combustion area High limit control with circulator relay, LWCO function, and integrated service switch Two vent pipe brackets Pressure / temperature gauge 30 PSIG ASME relief valve (boiler sections tested for 50 PSIG working pressure) Drain valve Barometric damper Built-in air separator Warranty: Residential: 2 0 Years Heat Exchanger; 2 Years Parts Specifications: Burner Input Rating (GPH): 1.20 Burner Input Rating (MBH): 168000 AHRI Certified Heating Capacity (MBH): 147000 AHRI Certified Net Ratings (MBH): 128000 AHRI Certified AFUE: 86.1 Tankless Heater Intermittent Draw Rating: 4.00 Draft Loss Through Boiler (in. w/c): 0.15 Minimum Chimney Size: Rectangular (in): 8 x 8 Minimum Chimney Size: Round (in): 7 Minimum Chimney Size: Height (ft): 15