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Enervex – Modulating Overdraft Damper System




  • High-temperature design
  • Multi-blade damper for fast accurate draft control
  • Modulating Damper Control System provides 100% overdraft control
  • Improves efficiency for any heating appliance.
  • Compact design saves valuable space
  • Flexibility accommodates both condensing & non-condensing applications
  • Maintains low emissions
  • Fast-acting, direct-drive actuator with brushless motor
  • Listed to UL378, Standard for Draft Equipment for 1400°F.
  • Maintenance-free, service-friendly design



  • Prevents flame failure and erratic performance
  • Increases boiler output
  • Extend equipment life
  • Reduces fuel cost by improving appliance efficiency
  • Reduces emissions
  • Brings most non-compliant venting installations into code compliance
  • Improves safety


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