Home All Products Share this page Explore our full Catalog Search through our full product offerings SVF Stainless Vertical Firetube (1500–3000 MBH) Series 2 Fuel Type: Gas Heat Exchanger Material: Stainless Steel Heating Range: 1500-3000 MBH Mediums: Water SVF Stainless Vertical Firetube (500–600 MBH) Fuel Type: Gas Heat Exchanger Material: Stainless Steel Heating Range: 500-600 MBH Mediums: Water SVF Stainless Vertical Firetube (1000 MBH) Fuel Type: Gas Heat Exchanger Material: Stainless Steel Heating Range: 1000 MBH Mediums: Water SVF Stainless Vertical Firetube (725–850 MBH) Fuel Type: Gas Heat Exchanger Material: Stainless Steel Heating Range: 725-850 MBH Mediums: Water WTGO Series 4 Oil-Fired Water Boiler Fuel Type: Oil Heat Exchanger Material: Cast Iron Heating Range: .70-2.55 GPH 98-357 MBH Mediums: Water WGO Series 4 Oil-Fired Water Boiler Fuel Type: Oil Heat Exchanger Material: Cast Iron Heating Range: .70-2.55 GPH 98-357 MBH Mediums: Water SGO Series 4 Oil-Fired Steam Boiler Fuel Type: Oil Heat Exchanger Material: Cast Iron Heating Range: .95-2.55 GPH 133-357 MBH Mediums: Steam Ultra Oil Boiler Fuel Type: Oil Heat Exchanger Material: Cast Iron Heating Range: .84-1.40 GPH 112-196 MBH Mediums: Water CGa Gas Boiler Series 3 Fuel Type: Gas Heat Exchanger Material: Cast Iron Heating Range: 38-233 MBH Mediums: Water SVF Stainless Vertical Firetube (1500–3000 MBH) Fuel Type: Gas Heat Exchanger Material: Stainless Steel Heating Range: 1,500 – 3,000 MBH Mediums: Water 1 2 3 4 Next Page