The Sellers immersion fired X-Series hot water boiler is a horizontal, single pass, firetube boiler designed to burn natural gas. The unique burner assembly delivers pre-mixed air and gas through multiple nozzles

• One-pass fire tube steam boiler
• Combustion: Sealed
• Heat Exchanger: Steel tubes
• 10 – 800 HP (0.4 – 33.4mmBTU)
• NOx Rating: 30ppm
• Certifications: ASME “S” stamp, UL
• 1-year (parts)/ 5-year (shell)
• Fuels: Natural gas, propane