✓ Gas fired water boiler with cast iron sections
✓ Natural draft and direct exhaust capability
✓ Can be used with natural or propane gas
✓ All units are factory-tested
✓ Compact design saves valuable living space
✓ No vertical draft hood and no mechanical vent damper
✓ Intermittent electronic ignition with standard components for easy servicing
✓ Up tp 85% AFUE