• Limited lifetime warranty on boiler sections
• Jacketed block assembly
• Refractory combustion chamber with height temperature target wall
• Convertible flue (rear or top)
• Full swing-away burner door
• Insulated jacket with quick inspection opening cover
• Cast iron sections with Weil-McLain captured seals
• Drain valve
• Pressure/temperature gauge
• Electrical junction box with wiring harnesses
• Service switch mounted on junction box cover plate
• Applicable temperature control with circulator relay
• I=B=R Chimney size: 8" x 8" x 15'
• Balanced draft damper
• 30 psi ASME Relief valve
• Circulator included and shipped loose for mounting on supply or return
• High-low limit control with circulator relay
• Factory assembled and wired with jacket, circulator and controls