DHD & DD Series

Custom duct heaters(sizes up to 120" x 144") built for use with TUTCO remote control panels.

Consult factory for pricing and panel size for DHD & DD series heaters.

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  • 50 or 60 HZ design
  • High voltage and low voltage terminal boards to interconnect heater with remote panel
  • Automatic limit switch for primary over temperature protection
  • Grounding lugs
  • Manual reset limit switch for secondary over temperature protection
  • Left hand offset control box

HVAC

  • Space Heating
  • Primary Heating
  • Supplemental Heating
  • Auxiliary Heating
  • Reheating
  • Multizone / Variable Air Volume Heating
  • Standard supply voltages, 120 - 600
  • Standard control voltages, 24 - 277
  • Single or three phase
  • Staging (balanced, unless otherwise specified)
  • Slip in, flange mount, bottom mount
  • Recessed control box
  • Right hand offset control box
  • 80/20 (Ni/Cr) resistance wire
  • Stainless steel terminals
  • Derated coils
  • Vapor barrier
  • Gasketed cover

Air Flow Switch

Prevents heater from being energized when the fan is not on. Non adjustable airflow switch (shown) requires a minimum of .07”WC pressure. Adjustable airflow switch available with rating of .05” ± .02” WC to 12”WC.

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