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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 dcor 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

Additional information

Marley Custom Capabilities
CATALOG NUMBER LENGTH WATTS (PER FT.) TOTAL WATTS AMPS @120V AMPS @208V AMPS @240V AMPS @277V AMPS @347V AMPS @600V SHIP WT. (LBS.)
ASL302 28
(711mm)
100 200 1.7 1 0.8
125 250 2.1 1.2 1 0.9
150 300 2.5 1.4 1.3 1.1 8
188 376 3.1 1.8 1.6 1.4
250 500 4.2 2.4 2.1 1.8 1.4
ASL303 3
(914mm)
100 300 2.5 1.4 1.3 1.1
125 375 3.1 1.8 1.6 1.4 1.1
150 450 3.8 2.2 1.9 1.6 1.3 10
188 564 4.7 2.7 2.4 2 1.6
250 750 6.3 3.6 3.1 2.7 2.2
ASL304 4
(1219mm)
100 400 3.3 1.9 1.7 1.4 1.2
125 500 4.2 2.4 2.1 1.8 1.4
150 600 5 2.9 2.5 2.2 1.7 13
188 752 6.3 3.6 3.1 2.7 2.2 1.3
250 1000 8.3 4.8 4.2 3.6 2.9 1.7
ASL305 5
(1524mm)
100 500 4.2 2.4 2.1 1.8 1.4 0.8
125 625 5.2 3 2.6 2.3 1.8 1
150 750 6.3 3.6 3.1 2.7 2.2 1.3 17
188 940 7.8 4.5 3.9 3.4 2.7 1.6
250 1250 10.4 6 5.2 4.5 3.6 2.1
ASL306 6
(1829mm)
100 600 5 2.9 2.5 2.2 1.7 1
125 750 6.3 3.6 3.1 2.7 2.2 1.3
150 900 7.5 4.3 3.8 3.2 2.6 1.5 20
188 1128 9.4 5.4 4.7 4.1 3.3 1.9
250 1500 12.5 7.2 6.3 5.4 4.3 2.5
ASL307 7
(2134mm)
100 700 3.4 2.9 2.5 2 1.2
125 875 4.2 3.6 3.2 2.5 1.5
150 1050 5 4.4 3.8 3 1.8 24
188 1316 6.3 5.5 4.8 3.8 2.2
250 1750 8.4 7.3 6.3 5 2.9
ASL308 8 (2438mm) 100 800 3.8 3.3 2.9 2.3 1.3
125 1000 4.8 4.2 3.6 2.9 1.7
150 1200 5.8 5 4.3 3.5 2 27
188 1504 7.2 6.3 5.4 4.3 2.5
250 2000 9.6 8.3 7.2 5.8 3.3
ASL309 9
(2743mm)
100 900 4.3 3.8 3.2 2.6 1.5
125 1125 5.4 4.7 4.1 3.2 1.9
150 1350 6.5 5.6 4.9 3.9 2.3 30
188 1692 8.1 7.1 6.1 4.9 2.8
250 2250 10.8 9.4 8.1 6.5 3.8
ASL310 10
(3048mm)
100 1000 4.8 4.2 3.6 2.9 1.7
125 1250 6 5.2 4.5 3.6 2.1
150 1500 7.2 6.3 5.4 4.3 2.5 33
188 1880 9 7.8 6.8 5.4 3.1
250 2500 12 10.4 9 7.2 4.2
CATALOG NUMBER LENGTH WATTS (PER FT.) TOTAL WATTS AMPS @120V AMPS @208V AMPS @240V AMPS @277V AMPS @347V AMPS @600V SHIP WT. (LBS.)
ASL502 28
(711mm)
100 200 1.7 1 0.8
125 250 2.1 1.2 1 0.9
150 300 2.5 1.4 1.3 1.1 8
188 376 3.1 1.8 1.6 1.4
250 500 4.2 2.4 2.1 1.8 1.4
ASL503 3
(914mm)
100 300 2.5 1.4 1.3 1.1
125 375 3.1 1.8 1.6 1.4 1.1
150 450 3.8 2.2 1.9 1.6 1.3 10
188 564 4.7 2.7 2.4 2 1.6
250 750 6.3 3.6 3.1 2.7 2.2
ASL504 4
(1219mm)
100 400 3.3 1.9 1.7 1.4 1.2
125 500 4.2 2.4 2.1 1.8 1.4
150 600 5 2.9 2.5 2.2 1.7 13
188 752 6.3 3.6 3.1 2.7 2.2 1.3
250 1000 8.3 4.8 4.2 3.6 2.9 1.7
ASL505 5
(1524mm)
100 500 4.2 2.4 2.1 1.8 1.4 0.8
125 625 5.2 3 2.6 2.3 1.8 1
150 750 6.3 3.6 3.1 2.7 2.2 1.3 17
188 940 7.8 4.5 3.9 3.4 2.7 1.6
250 1250 10.4 6 5.2 4.5 3.6 2.1
ASL506 6
(1829mm)
100 600 5 2.9 2.5 2.2 1.7 1
125 750 6.3 3.6 3.1 2.7 2.2 1.3
150 900 7.5 4.3 3.8 3.2 2.6 1.5 20
188 1128 9.4 5.4 4.7 4.1 3.3 1.9
250 1500 12.5 7.2 6.3 5.4 4.3 2.5
ASL507 7
(2134mm)
100 700 3.4 2.9 2.5 2 1.2
125 875 4.2 3.6 3.2 2.5 1.5
150 1050 5 4.4 3.8 3 1.8 24
188 1316 6.3 5.5 4.8 3.8 2.2
250 1750 8.4 7.3 6.3 5 2.9
ASL508 8
(2438mm)
100 800 3.8 3.3 2.9 2.3 1.3
125 1000 4.8 4.2 3.6 2.9 1.7
150 1200 5.8 5 4.3 3.5 2 27
188 1504 7.2 6.3 5.4 4.3 2.5
250 2000 9.6 8.3 7.2 5.8 3.3
ASL509 9
(2743mm)
100 900 4.3 3.8 3.2 2.6 1.5
125 1125 5.4 4.7 4.1 3.2 1.9
150 1350 6.5 5.6 4.9 3.9 2.3 30
188 1692 8.1 7.1 6.1 4.9 2.8
250 2250 10.8 9.4 8.1 6.5 3.8
ASL510 10
(3048mm)
100 1000 4.8 4.2 3.6 2.9 1.7
125 1250 6 5.2 4.5 3.6 2.1
150 1500 7.2 6.3 5.4 4.3 2.5 33
188 1880 9 7.8 6.8 5.4 3.1
250 2500 12 10.4 9 7.2 4.2
CATALOG NUMBER LENGTH WATTS (PER FT.) TOTAL WATTS AMPS @208V 1 PHASE AMPS @208V 3 PHASE AMPS @240V 1 PHASE AMPS @240V 3 PHASE AMPS @277V 1 PHASE AMPS @347V 1 PHASE AMPS @600V 1 PHASE 3 PHASE SHIP WT. (LBS.)
ASL502 28
(711mm)
375 750 3.6 3.1 2.7
500 1000 4.8 4.2 3.6 2.9
600 1200 5.8 3.3 5 2.9 4.3 12
750* 1500 7.2 4.2 6.3 3.6 5.4 4.3
ASL503 3
(914mm)
375 1125 5.4 4.7 4.1
500 1500 7.2 6.3 5.4 4.3
600 1800 8.7 5 7.5 4.3 6.5 15.5
750* 2250 10.8 6.3 9.4 5.4 8.1 6.5
ASL54 4
(1219mm)
375 1500 7.2 6.3 5.4 4.3
500 2000 9.6 8.3 7.2 5.8 3.3
600 2400 11.5 6.7 10 5.8 8.7 6.9 20
750* 3000 14.4 8.3 12.5 7.2 10.8 8.6 5 2.9
ASL505 5
(1524mm)
375 1875 9 7.8 6.8 5.4 3.1
500 2500 12 10.4 9 7.2 4.2
600 3000 14.4 8.3 12.5 7.2 10.8 8.6 5 2.9 25.5
750* 3750 18 10.4 15.6 9 13.5 10.8 6.3 3.6
ASL506 6
(1829mm)
375 2250 10.8 9.4 8.1 6.5 3.8
500 3000 14.4 12.5 10.8 8.6 5
600 3600 17.3 10 15 8.7 13 10.4 6 3.5 30
750* 4500 21.6 12.5 18.8 10.8 16.2 13 7.5 4.3
ASL507 7
(2134mm)
375 2625 12.6 10.9 9.5 7.6 4.4
500 3500 16.8 14.6 12.6 10.1 5.8
600 4200 20.2 11.7 17.5 10.1 15.2 12.1 7 4 35
750* 5250 25.2 14.6 21.9 12.6 19 15.1 8.8 5.1
ASL508 8
(2438mm)
375 3000 14.4 12.5 10.8 8.6 5
500 4000 19.2 16.7 14.4 11.5 6.7
600 4800 23.1 13.3 20 11.6 17.3 13.8 8 4.6 40
750* 6000 28.8 16.7 25 14.5 21.7 17.3 10 5.8
ASL509 9
(2743mm)
375 3375 16.2 14.1 12.2 9.7 5.6
500 4500 21.6 18.8 16.2 13 7.5
600 5400 26 15 22.5 13 19.5 15.6 9 5.2 45
750* 6750 32.5 18.8 28.1 16.3 24.4 19.5 11.3 6.5
ASL510 10
(3048mm)
375 3750 18 15.6 13.5 10.8 6.3
500 5000 24 20.8 18.1 14.4 8.3
600 6000 28.8 16.7 25 14.5 21.7 17.3 10 5.8 50
750* 7500 36.1 20.8 31.3 18.1 27.1 21.6 12.5 7.2
*750W Models Bottom Inlet Only.
CATALOG NUMBER DIMENSIONS W x H x L SHIP WT. (LBS.)
ASL3BS1F 35/8″ x 6″ x 1′ 4
ASL3BS1B
ASL3BS2F 35/8″ x 6″ x 28″ 7
ASL3BS2B
ASL3BS3F 35/8″ x 6″ x 3′ 9
ASL3BS3B
ASL3BS4F 35/8″ x 6″ x 4′ 12
ASL3BS4B
ASL3BS5F 35/8″ x 6″ x 5′ 16
ASL3BS5B
ASL3BS6F 35/8″ x 6″ x 6′ 19
ASL3BS6B
ASL3BS7F 35/8″ x 6″ x 7′ 22.5
ASL3BS7B
ASL3BS8F 35/8″ x 6″ x 8′ 24
ASL3BS8B
ASL3BS9F 35/8″ x 6″ x 9′ 27
ASL3BS9B
ASL3BS10F 35/8″ x 6″ x 10′ 30
ASL3BS10B
NOTE 1: Blank section grilles are not punched unless requested._
CATALOG NUMBER DESCRIPTION SHIP WT.(LBS.)
ASL3ECL End Cap – Left 1
ASL3ECR End Cap – Right
ASL3ECLS End Cap w/Screws – Left 1
ASL3ECRS End Cap w/Screws – Right
ASL3ICF Inside Corner-Front In 5
ASL3ICB Inside Corner-Bottom In 5
ASL3OCF Outside Corner-Front In 4
ASL3OCB Outside Corner-Bottom In 4
ASL3135ICF 135 Inside Corner-Fnt In 5
ASL3135ICB 135 Inside Corner-Bot In 5
ASL3135OCF 135 Outside Corner-Fnt In 4
ASL3135OCB 135 Outside Corner-Bot In 4
ASL3DESBL Dec. End Section-Bot In, Left 5
ASL3DESBR Dec. End Section-Bot In, Right 5
ASL3DESFL Dec. End Section-Fnt In, Left 4
ASL3DESFR Dec. End Section-Fnt In, Right 4
ASL3SP Splice Plate 1
ASL3FL3 Filler Section 3″ 1
ASL3FL6 Filler Section 6″ 1
ASL3FL9 Filler Section 9″ 1
ASL3FL12 Filler Section 12″ 1
ASL3-FL18 Filler Section 18″ 1.5
ASL3DRF Receptacle Section-Fnt In 1.5
ASL3DRB Receptacle Section-Bot In
ASL3PEF Pneu/Ele Sw-Fnt In 2
ASL3PEB Pneu/Ele Sw-Bot In
**PK3S Standard Pedestal 2
**PK3A Architectural Pedestal 2
SO1A Stand-Off Bracket 1
*Add suffix -P for painted, -C for clear anodized, -B for bronze anodized (excludes PK3S – Black only).
**One pedestal. Two required on units up to 10′, three required on units over 10″.
CATALOG NUMBER DIMENSIONS W x H x L SHIP WT. (LBS.)
ASL5BS1F 53/8″ x 7 x 1′ 7
ASL5BS1B
ASL5BS2F 53/8″ x 7 x 28″ 11
ASL5BS2B
ASL5BS3F 53/8″ x 7 x 3′ 14
ASL5BS3B
ASL5BS4F 53/8″ x 7 x 4′ 18
ASL5BS4B
ASL5BS5F 53/8″ x 7 x 5′ 22
ASL5BS5B
ASL5BS6F 53/8″ x 7 x 6′ 27
ASL5BS6B
ASL5BS7F 53/8″ x 7 x 7′ 32
ASL5BS7B
ASL5BS8F 53/8″ x 7 x 8′ 37
ASL5BS8B
ASL5BS9F 53/8″ x 7 x 9′ 40
ASL5BS9B
ASL5BS10F 53/8″ x 7 x 10′ 44
ASL5BS10B
NOTE 1: Blank section grilles are not punched unless requested.
CATALOG NUMBER DESCRIPTION SHIP WT. (LBS.)
ASL5ECL End Cap – Left 1
ASL5ECR End Cap – Right
ASL5ECLS End Cap w/Screws – Left 1
ASL5ECRS End Cap w/Screws – Right
ASL5ICF Inside Corner-Front In 11
ASL5ICB Inside Corner-Bottom In 11
ASL5OCF Outside Corner-Front In 7
ASL5OCB Outside Corner-Bottom In 7
ASL5135ICF 135 Inside Corner-Fnt In 11
ASL5135ICB 135 Inside Corner-Bot In 11
ASL5135OCF 135 Outside Corner-Fnt In 7
ASL5135OCB 135 Outside Corner-Bot In 7
ASL5DESBL Dec. End Section-Bot In, Left 11
ASL5DESBR Dec. End Section-Bot In, Right 11
ASL5DESFL Dec. End Section-Fnt In, Left 7
ASL5DESFR Dec. End Section-Fnt In, Right 7
ASL5SP Splice Plate 1
ASL5FL3 Filler Section 3″ 1
ASL5FL6 Filler Section 7 1
ASL5FL9 Filler Section 9″ 2
ASL5FL12 Filler Section 12″ 3
ASL5FL18 Filler Section 18″ 5
ASL5DRF Receptacle Section-Fnt In 2
ASL5DRB Receptacle Section-Bot In
**PK5S Standard Pedestal 2
**PK5A Architectural Pedestal 2
SO1A Stand-Off Bracket 1
*Add suffix -P for painted, -C for clear anodized, -B for bronze anodized (excludes PK5S – Black only).
**One pedestal. Two required on units up to 10′, three required on units over 10′.

This product is a custom Made-To-Order (MTO) product. It is not covered by the Marley Engineered Products Merchandise Return Policy and is non-cancellable, exchangeable, or returnable.