905/907 Series industrial sill-height convector

905/907 Series Industrial Sill-Height Convector

If you are searching for a heater that is able to keep up heavy traffic areas and require a high heating requirement, Heatrex’s 905/907 Series industrial sill-height convector (also known as draft barriers) will end that search.

 905/907 Series

These heaters are designed to be placed under large windows to help prevent cold downdrafts.  They are ideal to be placed in areas that have heavy traffic and require keeping the cold out.

  • Installation Options: These units are able to be mounted onto the wall flush on the floor or on pedestals.  Custom lengths, blank sections, and inside or outside corners are available for wall-to-wall installations.  Units can be ordered with smooth painted finish when the back of the heater will be visible.
  • Length Options:  The heaters have the ability to be installed singularly in lengths from 28.8” to 103.4” or can be joined end to end for a complete perimeter heating.
  • Added Safety:  The sloped-top cabinet on the 905 Series prevents objects from being set on top of the heater.  Objects placed on top of a heater will restrict airflow and could cause overheating.  It also ensures that nothing will be spilled inside that could cause a hazard or to not properly operate.
  • Colors:  If you  need a heater to match any décor, these heaters are available in white or almond as a standard.  However, Heatrex offers a wide range of colors and custom finishes.

905/907 Series industrial sill-height convector

Standard Construction

Here are a few standard construction features of the 905/907 Series:

  • Heating Elements:  Stainless steel elements with aluminum fins float on high temperature nylon bushings for a quiet operation.
  • Housing: Cabinet is constructed of 18-gauge steel with a 16-gauge steel front cover.  The unit has a polyester powder paint finish in white or almond.  End caps are provided on all the units.
  • Inlet/Outlet Grilles:  The fresh air inlet grille is located on the front of the unit.  The outlet grille has openings less than 0.25” to ensure no tampering with the heating element (pencil-proof).
  • Built-in Controls: Linear limit, automatic reset thermal cutout.
  • Electrical Outlet:  Each baseboard heater has a junction box located on both ends and a built-in full length wireway.
  • Installation Requirements:  Field or factory-installed low voltage relay and thermostat kit that fits into the right-hand junction box only.


Typical applications for the 905/907 Series

  • Air, Rail, or Bus Terminals
  • Auditoriums
  • Corridors
  • Entryways
  • Foyers
  • Hallways
  • Lobbies
  • Offices

905/907 Series industrial sill-height convector

Safety Precautions

There are some safety precautions to understand when using the 905/907:

  • Heater has hot and arcing or sparking parts inside.  DO NOT use in areas where gasoline, paint or flammable liquids are used or stored.
  • Heater can become hot when in use.  To avoid burns, do not let bare skin touch hot surfaces.  Keep combustible materials, like furniture, pillows, bedding, papers, clothes and curtains at least 3” from the front of the heater.  Keep electrical cords away.
  • To prevent a possible fire, do not block air intake and/or exhaust in any way!
  • Do not insert or allow foreign objects to enter any ventilation or exhaust openings as this may cause an electric shock or fire, and could damage the heater.
  • Do not locate the unit below electrical convenience receptacles.
  • Do not install against combustible low-density cellulose fiberboard surfaces.
  • Only use with copper branch circuit conductors.
  • For bathroom use: heater should be installed where the switches and other controls cannot be touched by anyone while being wet.
  • To avoid electrical shock, disconnect all power at the main panel prior to wiring, cleaning or servicing.
  • Do not use outdoor.

If you think the 905/907 Series industrial sill-height convector will be a perfect fit your heating needs, please contact Heatrex at www.heatrex.com.

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