Burnham Series 2 Boiler Cast iron durability and Burnham quality craftsmanship make the Series 2 residential gas boiler ideal for the replacement and new construction markets. Available in 14 models, including the high efficiency Series 2H, the Series 2 line combines traditional atmospheric draft design with proven boiler controls to ensure reliable, trouble-free operation.   Key Features  Step Opening Gas Valve   Stainless Steel Burners    Natural Draft   Concealed Gas Valve and Controls   Natural or LP Gas   Combustible Floor Certified   Water Only   Cast-Iron Sectional Design  31 To 244 MBH Capacity       Product Information   Literature (pdf)   Features & Benefits (pdf)   Ratings | Ratings (pdf) | Dimensions   Installation Manual (pdf)   Repair Parts   New Product Warranty (pdf)     (Download Adobe Reader to view PDF documents)