ASL3 & ASL5 Series - Architectural Sill-Height Convector

IDEAL SPACES | Residential (ASL3): Living Rooms; Bedrooms; Other Similar Areas with Floor-to-Ceiling Windows

Institutional and Commercial (ASL3 or ASL5): Offices; Hallways; Lobbies; Condos; Conference Rooms;

Retail Spaces; Other Similar Areas

COLORS | White, Beige, Aluminum, Bronze, Black, Charcoal Gray, Custom Colors & Anodizing

DIMENSIONS | (ASL3) 6" H x 3-5/8"D (Length varies)         

DIMENSIONS | (ASL5) 7" H x 5-5/8"D (Length varies)


  • ASL3 Series is approved for residential applications
  • Patented "Stair-Step" ASL5 heating element design accommodates a multitude of applications and heating needs
  • Unique two-piece extruded aluminum “Snap-Lock” closure design secures the one-piece top and front grilles to the one-piece back and bottom providing a rapid, secure fit all along the length of the unit
  • Front/bottom inlet air grille utilizes slots which create an attractive installation where inlet grille is visible
  • Blend into any décor with custom paint and anodizing upon request
  • Units can be mounted on floor, wall, or pedestals
  • Customize space with wall-to-wall installation, or as discrete units in standard lengths of 28 in. to 10 ft.
  • Units are available in a wide range of heating capacities per foot length (see specifications)
  • Architectural-style end sections give a finished look when used as a stand-alone or where a wall-to-wall run is not desired
  • Inside and outside corners can be ordered factory-cut and mitered to fit difficult or unusual spaces
  • Right -or left-hand entry and built-in wire way (equivalent to 3/4 in. conduit) with factory-installed wiring
  • Full line of trim accessories, including matching blank sections, end caps, filler sections, inside and outside corners, diagonal end sections, and splice plates
  • Optional built-in controls include: line-voltage thermostat; two-stage thermostat; on/off switch; transformer relay; power relay and pneumatic/switch
  • Easy connection of supply wiring from bottom, rear or end, as well as multiple wiring of adjacent heaters from one entry point
  • Thermal limit switch with linear type (full length) sensing bulb provides constant protection against overheating from any cause
  • Switch will automatically reset when normal operating temperatures are restored
  • Discharge air openings in top grille are punched slots which are pencil-proof for safety

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