Devanco Canada

 
User Name:
Password:
Remember Me:
Forgot your password
Request a Login
Home Your Search ysg
.375_3-3/4"-LH

Torsion Spring .375 x 3-3/4" x 12ft LH Yellow/Green

  • Wire size: .375
  • Inside diameter: 3-3/4"
  • Length: 12 ft
.250_2-5/8"-LH

Torsion Spring .250 x 2-5/8" x 12ft LH Green

  • Wire size: .250
  • Inside diameter: 2-5/8"
  • Length: 12 ft
825LM

LiftMaster Remote Light Control Sec+ 2.0 ** To Extent of Inventory

  • Operate any lamp with your garage door opener remote control.
  • Operate from your computer or smartphone by using the Liftmaster Internet Gateway.
  • Compatible only with Security+2.0 garage door openers and MyQ technology accessories.
Programming InstructionsInstructions de programmation
29-31245

LiftMaster Relay 12VDC 250VAC 4-Pin SPDT C & D relay 3-phase only

  • C & D relay 3-phase only
23-2017

LiftMaster Limit Switch SPDT

CAM011

Manaras Limit Cam

  • Limit cam for Mountshaft018A 018B
  • 2 cam's required per shaft
CAM004

Manaras Limit Cam

  • Limit cam for Mountshaft009A 018C 018D
  • 2 cam's required per shaft
144C54

LiftMaster Idler Belt Pulley

  • Wide idler belt drive pulley
  • For square rail assemblies
41B3869-3A

LiftMaster Trolley Kit for Belt Drive

  • Complete trolley assembly
  • Replaces 41B3869-1
.421_6"-RH

Torsion Spring .421 x 6" x 12ft RH Gold

  • Wire size: .421
  • Inside diameter: 6"
  • Length: 12 ft
.295_3-3/4"-RH

Torsion Spring .295 x 3-3/4" x 12ft RH Blue

  • Wire size: .295
  • Inside diameter: 3-3/4"
  • Length: 12 ft
.283_3-3/4"-RH

Torsion Spring .283 x 3-3/4" x 12ft RH White

  • Wire size: .283
  • Inside diameter: 3-3/4"
  • Length: 12 ft
.250_2-5/8"-RH

Torsion Spring .250 x 2-5/8" x 12ft RH Green

  • Wire size: .250
  • Inside diameter: 2-5/8"
  • Length: 12 ft
.243_2-5/8"-RH

Torsion Spring .243 x 2-5/8" x 12ft RH White/Yellow

  • Wire size: .243
  • Inside diameter: 2-5/8"
  • Length: 12 ft
.207_1-3/4"-RH

Torsion Spring .207 x 1-3/4" x 12ft RH Brown

  • Wire size: .207
  • Inside diameter: 1-3/4"
  • Length: 12 ft
12561

Doorlec Brake Drum 4" Diameter ** To extent of inventory

  • Fits all Doorlec operators equipped with brake shoes
CP-BRAKE-ASSBLY

Lynx Brake Shoe Assembly

  • Brake shoes for all Lynx operators
  • Assembly includes the shoes
  • release spring and bolt included
DISCONNECT001

Manaras Floor Level Disconnect Lever

RADIO-14

Manaras MR-1000 1-Channel 24V Receiver 313 MHz ** Replaced by RADIO-RE900

  • Controls one operator with MT series transmitters.
  • Operates on 24VAC.
  • A LED indicates that the unit has been activated.
  • Can be installed directly onto the control box of a Manaras operator.
Installation Instructions
RADIO-28

Manaras MTM-1000 1-btn mini transmitter 313 MHz ** To extent of inv*** Repl. by RADIO-EM901

  • Open/Close mini remote for 1 door
  • Comes with LED battery life indicator
  • Mini 12V battery included
  • Key chain holder included
MCT-2

Linear 2-btn MegaCode Visor Transmitter 318 MHz

  • Activates two 318MHz MegaCode receivers independently
  • Test/operate LED
  • Visor mounting clip supplied
  • Power: 9-volt battery incl.
  • Codes: 1000000+ (MegaCode format)
  • Dimensions: 2.16" W x 3.75" H x .95" D
    • .......more details
Programming Instructions
HAE00033

Linear 8ft Belt & Inner Slide Assembly (HBT8)

4005-8FT

Aluminum Retainer only for Heavy Brush 8' Long 180 degree

  • For angle application (180 degree)
  • For use with Heavy Brush
4008-12FT

Aluminum Retainer only for Light Brush 12' Long 180 degree 5/8" Offset *** To Extent of Inventory

  • 2" Offset
  • For use with Light Brush or Vinyl Insert
1015-1-3/4-12'

Rigid Vinyl Bottom Retainer Raised Centre 12' Long

  • Black - for door thickness of 1-3/4"
1015-1-3/4-10'

Rigid Vinyl Bottom Retainer Raised Centre 10' Long

  • Black - for door thickness of 1-3/4"
1006-1-3/8-10'

Rigid Vinyl Bottom Retainer U-Shaped 10' Long

  • Black with flexible fin to touch door face.
  • For door thickness 1-3/8"
1006-1-3/4-14'

Rigid Vinyl Bottom Retainer U-Shaped 14' Long

  • Black with flexible fin to touch door face.
  • For door thickness 1-3/4"
1005-1-3/8-24'

Aluminum Bottom Retainer U-Shaped 24' Long *** 24' is DISC

  • For door thickness 1-3/8"
1004-2-24'

Aluminum Bottom Retainer 2" U-Shape with Reinforcement 24 ft***Actual Length 24'4"***

  • For door thickness 2"
TC1

Tri-Code Transmitter 1-btn Visor - DISCONTINUED

  • 10 dipswitch format 3-position slide switch
  • Compatible with Multi-Code 300 & 310 MHz Delta3 & Stanley 310 MHz
  • Discontinued 7/1/13
375LMC Programming InstructionsInstructions de programmation pour 375LMC
1001-24-GREY

Commercial Side & Top Weather-Strip 24' Long - Grey

  • Aluminum retainer with grey dual-fin vinyl
  • Sold by full case quantity (10)
32-48-50

Extension Spring 8' Door - 50 lbs Red ** check for availability

  • Double - Loop
  • 32" long 48" stretch 50 lb load
  • Springs sold individually
25-42-120

Extension Spring 7' Door - 120 lbs Green

  • Double - Loop
  • 25" long 42" stretch 120 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-60

Extension Spring 7' Door - 60 lbs Brown

  • Double - Loop
  • 25" long 42" stretch 60 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-20401

Truck Door Bracket for Torsion Assembly Curbside (RH) for Todco Roll-Up Doors

  • Steel construction
  • Zinc plated finish
  • Cross Reference: T #51036-1 W #4029 360100
27-20308

Truck Door Balancer Bracket End - Curbside for Whiting Roll-Up Doors

  • Steel construction
  • Plain finish
  • Cross Reference: W #2523 for #2376 balancer
26-94323

Truck Door Bottom Panel with Seal (13" x 98") for Whiting Dryfreight

  • These panels are cut to an extra wide width to fit wider vehicle applications.
  • Interlocking tongue and groove design for weather-tight joint and proper panel alignment.
  • These panels have no routs and shipped without holes.
  • 3/4" thick 7 ply exterior grade medium density plywood. Primer Finish
  • Comes only with bottom retainer and seal (installed)
26-40202

Truck Door Head Seal Retainer Only 96" Long for Roll-Up Doors

  • Retainer extrusion is constructed of high quality aluminum.
  • Panel mounted retainer
  • Cross Reference: T #69790 500000
26-14525

Truck Door Intermediate Panel (15" x 98") for Todco DryFreight Doors

  • These panels are cut to an extra wide width to fit wider vehicle applications.
  • Interlocking tongue and groove design for weather-tight joint and proper panel alignment.
  • 3/4" thick 7 ply exterior grade medium density plywood. Primer finish
26-14323

Truck Door Bottom Panel with Seal (13" x 98") for Todco DryFreight Doors

  • These panels are cut to an extra wide width to fit wider vehicle applications.
  • Interlocking tongue and groove design for weather-tight joint and proper panel alignment.
  • 3/4" thick 7 ply exterior grade medium density plywood. Primer finish
  • Comes only with bottom retainer and seal (installed)
25E10270

Truck Door Shaft Cover for Bottom Roller Black E-coat finish for Whiting Roll-Up Doors

  • Steel construction Black E-coat finish
  • Attaches to bottom panel for roller support
  • Shaft cover for 1 stud
  • Cross Reference: W #1021
DM32-125

Cable Drum Standard Lift 32' 800-32 (1-1/4") Pair Torque Force

  • 32 ft Standard lift aluminum die cast alloy cable drums for 1-1/4" shaft.
  • Pair includes (1) LH & (1) RH. Color coded: Red=LH and Black=RH.
  • 3/8"-16 x 2" hardened cup point set screws installed with red heads.
  • Maximum Door Height: 32'-1".
  • Rated Lift per Drum: 1000 lbs.
  • Max Cable Diameter: 1/4".
    • .......more details
H11G12

Hinge #12 x 11 gauge

  • 11 gauge # 12 hinge - 1.00 lbs
  • Bright zinc-plated steel construction
  • For use with 7/16" stem rollers
H11G11

Hinge #11 x 11 gauge

  • 11 gauge # 11 hinge - 0.93 lbs
  • Bright zinc-plated steel construction
  • For use with 7/16" stem rollers
CB332A0500

Cable 3/32" 7x7 500' Galvanized

  • Galvanized cable 3/32" 7x7 500ft spool.
  • Cable break strength: 920 lbs.
Comparison charts
25-10402

Truck Door Pull Strap (15.5") with Zinc Retainer for Roll-Up Doors

  • Durable 2" wide black nylon construction for added strength and durability.
  • Custom lengths available
  • Cross Reference: 257000
4X33PO50

Devanco Loop 4' x 33' pave-over 50' lead-in

  • Ideal for use on with gravel driveways or surfaces that are to be asphalted
  • Features a twisted lead-in to reduce the chances of interference and false detections.
  • Direct burial loops should be buried approximately 6" deep
Installation InstructionsInstructions d'installationSpec SheetBrochureLoop Placement GuideGuide de positionnement des boucles
4X8PO50

Devanco Loop 4' x 8' pave-over 50' lead-in

  • Ideal for use on with gravel driveways or surfaces that are to be asphalted
  • Features a twisted lead-in to reduce the chances of interference and false detections.
  • Direct burial loops should be buried approximately 6" deep
Installation InstructionsInstructions d'installationSpec SheetBrochureLoop Placement GuideGuide de positionnement des boucles
218954-03

Linear Pulley & Bracket Assembly - Belt (HBT)

CRG11136P

Pentagon Crank Gear 11:1 36kg PVC *** Price by Quote Only

MA200

LiftMaster K1 Relay option for MA MAT and MAST Barrier Gate Operators

  • used with Mega Arm Barrier gate operators to control traffic lights etc
7001-16-BROWN

Commercial Side & Top Weather-Strip 16' Long - Brown (DN)

  • Brown galvanized steel with brown dual fin vinyl.
  • Commercial and Residential use.
  • Steel is notched on both ends for easier installation.
MA117

LiftMaster Counterweight for Arms 15ft & Up

K001A6424-2

LiftMaster Circuit Board Assembly Kit 2008 315 MHz *** No longer available

  • Replacement circuit board for Medium-Duty Logic Commercial Operators
  • Used on models MJ MH MHS MT BMT and MGJ (non- UL325 compliant operators)
  • 315 MHz intergral radio receiver accepts 20 Sec+ remotes or unlimited dip switch
Installation Manual
CB-1.115

Whiting Stainless Steel Cable 115" L with Black Grommet 5/16" Eye 1 Cable

  • 7x7 stainless cable
  • Sold per cable
MU22-4WIRE-E-Y

Miller Edge MU22 4-Wire End Yellow - Sold per Foot

  • Electromechanical edge for sectional doors and aircraft hangars. •The MU22 is a custom edge manufactured to exact specifications. •The MU22 is completely flexible and will contour to curved surfaces. It's profile can also be square rectangular or angled. •Touch sensitive signaling allows immediate reversal or stopping of motion. •Temperature range: -30F to 155F •Lead wire: 22 gauge universal •Sensitivity: nominal 6-8 PSI •Vertical or horizontal mount •ANSI/UL325 recognized component •One year warranty
WorksheetInstallation manualSell sheet
02-409B

LiftMaster Key Switch with Best Cylinder

  • Two Position Key Control Station
  • Outdoor Surface Mt. (NEMA 4/12)
  • Tamperproof
  • Die cast metal enclosure with BEST cylinder (construction core included)
  • OPEN/CLOSE spring return to center (OFF) key removable in center position only. Should only be used on operators wired for constant pressure to open and close (all LiftMaster industrial operators with type D control wiring).
  • Dimiensions: 3" x 3.2" x 4.2"
    • .......more details
PRO-H-7543-U-RH

Micanan 3/4HP 460V 3P Hoist Operator N1 Eyes Monitored ECB Right Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake OPTIONAL
66003102

Rolling Steel Universal 1/2 Slat Sold per Foot

ODCC-SPEC.ORDER

Wayne Dalton Special Order *** Price by Quote Only

  • Misc. code for all special order items
MOTOR274

Manaras Electric Motor 3/4HP 575V 3PH

  • This item is compatible with BRAKE011
K72-19979

LiftMaster Clutch Shaft Kit 2005 +

  • Assembly includes: Clutch shaft keyed flange bearing dual sprocket 32/14 14-tooth sprocket E-ring compression sprocket chain wheel assembly pulley assembly chain guide assembly shim & thrust washers copper bushing 12-10882 and roll pins
7001-WG-10-MO

Residential Wood Grain Side & Top W/S Medium Oak 10' Long - Painted Screws to Match

  • Medium Oak retainer with Medium Oak vinyl
  • PVC Wrapped
  • Steel is Notched on Both Ends for Easier Installation
  • Economical
  • Dual Fin Vinyl
  • Painted Screws to Match
    • .......more details
E/1929/072

Automatic Systems Round Arm Ass'y 18" (BL229)

  • Used on the BL229 gate op.
MK-00010

Micanan 3-Pole Power Terminal Strip

95358

Marantec Front Idler Assembly

  • Complete Roller holder assembly for ML-Series rails
  • Used for belt and chain drive opener rails
  • Same as # 8030432
DF084.1

Whiting Dry Freight Door 3/4" with Track Balancer and Standard Hardware

  • Standard features include: 2-cable balancer with independent springs
  • Balancer springs treated with rust preventative
  • All door hardware is E-coated
  • Spring loaded lock catch
  • Heavy-duty 2" 13-gauge track
  • Stainless steel aircraft cables
    • .......more details
STATION086

Manaras 3-btn Push-Button Control Station Nema 1 Flush Mount

  • 2 N/O contacts and 1 N/C contact for stop.
  • Flush mount.
PRO-GT-5011-U

Micanan 1/2HP 115V 1P Worm Gear Trolley Operator N1 Eyes Monitored ECB

  • On-Board receiver holds up to 20 transmitters
MOUNTSHAFT016A

Manaras Clutch & Hoist Shaft Kit for Opera-SH Nema 4/12 (OSHW)

  • Input / clutch shaft kit for Manaras Opera-SH N4/12
SL332COP

Copper Sleeve 3/32" 100 Sleeves per Pkg ** Price on request

  • Oval sleeves ONLY
  • Stops sold separately part # ST332COP
GALV-243-334-L

Cut-to-Length Torsion Spring .243 x 3-3/4" Left Hand Wound Galvanized Price per Inch

  • Priced per inch
  • For factory installed cones priced seperately - use part no. C-334-INSTALLED
AW-12A

Miller Edge Air Wave Switch in NEMA 4 Enclosure

  • Air pressure is lead via a hose or pipe to a diaphragm contact. This contact converts the positive or negative pressure into an electrical contact and pulse.
  • Applications: commercial sectional doors rolling doors and mass transit
  • Works on doors up to 60ft
  • Can be used with standard pneumatic hose and Miller Edge extrusion
  • Sensitivity: 2mm to 500mm
  • Ambient temperature range: -49F to 180F
    • .......more details
Instructions ManualSell Sheet
95-00115

Truck Door Rivet 1-1/8" Stainless Steel

  • Stainless steel construction
  • Round head design
  • Cross Reference: T #89217-0036
1009-1-3/4"

Bottom Nail-On for Wood Door Heavy Duty per foot

  • For 1-3/4" commercial doors.
  • Color: Black
26-40402

Truck Door Reefer Side Seal 98" Long for Whiting Coldsaver

  • Co-extruded using PVC backing with flexible PVC seal against the door.
  • Cross Reference: W #7470
27-48-140

Extension Spring 8' Door - 140 lbs Blue

  • Single - Loop
  • 27" long 48" stretch 140 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
.283-134-L

Cut-to-Length Torsion Spring .283 x 1-3/4" Left Hand Wound White

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-134-INSTALLED
CPS-UN4G

LiftMaster Commercial Protector System Thru-Beam Eyes NEMA4 Black

  • Waterproof photoeyes.
  • Monitored Thru Beam Photocell
  • For direct connect on HCT
LB610-18SF

Steel Faced Laminated Bumper Black 10" x 18" 6" Projection Horizontal Installation

  • Used on docks where excessive friction from up and down trailer movement occurs (yard jockeys air ride trailers etc.).
  • Can be used in material handling application where medium to heavy dock protection is required
  • “Gliding” heavy-duty steel face is 3/8” thick and independently anchored with elongated holes to face of bumper allowing bumper to compress AND offer high surface abrasion resistance
  • Rubber pads laminated between steel angles and secured with 3/4” rods
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
  • Wall mounting hole size is 7/8” diameter.
    • .......more details
.243-258-R

Cut-to-Length Torsion Spring .243 x 2-5/8" Right Hand Wound White/Yellow

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-258-INSTALLED
32-48-140

Extension Spring 8' Door - 140 lbs Blue ** Replaced by 27-48-140

  • Double - Loop
  • 32" long 48" stretch 140 lb load
  • Springs sold individually
Spec Sheet
SF375-DUPLEX

Spring Fitting 3-3/4" Stationary Side Only for Duplexing (Short Ear). *** Not Sold As A Pair

  • To make duplex assemblies you require one pair of SF600 (W & S) and only two SF375-DUPLEX stationary plugs only no need for P375 winding plugs
SSZP9-6

Solid Shaft 1" Keyed Zinc Plated 9'-6"

OGH-6113-M-N1-RH

Manaras 3/4 HP 120V 1Ph Gear Head Operator with Monitored ECB N1 Eyes Right Hand

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
    • .......more details
OGH-6213-M-N1-RH

Manaras 3/4 HP 240V 1Ph Gear Head Operator with Monitored ECB N1 Eyes Right Hand

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
    • .......more details
OGH-6233-M-N1-LH

Manaras 3/4 HP 208V 3Ph Gear Head Operator Monitored ECB w/N1 Eyes Left Hand

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
    • .......more details
OGH-6433-M-N1-RH

Manaras 3/4 HP 480V 3Ph Gear Head Operator Monitored ECB w/N1 Eyes Right Hand

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
    • .......more details
OTBH-6114-M-N1

Manaras Trolley Operator 1 HP 120V 1Ph Monitored w/N1 Eyes

  • Heavy-duty low headroom trolley operator designed for use on industrial standard lift sectional door
  • 25 cycles per hour 80 cycles per day
  • It incorporates a drum-band type solenoid brake.
  • Tracks are an extra 36 lbs per track
  • 3/4 HP & 1 HP operators come with #41 full roller chain
  • Includes PHOTO-070
    • .......more details
HERITAGE-R16

Garex Ready to Install Door Special Order

  • R16 Insulation - Long Panel - Available in steel - Comes with raised decorative mouldings on panels - A variety of decorative windows can be added - Custom colours can be factory painted - Multiple hardware configurations are available to accomodate site requirements
MSJ-6113-M-N1-LH

Manaras MSJ 3/4HP 120V 1Ph Monitored Board w/N1 Eyes Right Hand

  • An ultra high-end heavy-duty V-belt drive industrial jackshaft operator
  • For use on Standard High and Vertical Lift sectional doors
  • Can also be used on Rolling doors and Grilles
  • Comes with a chain hoist for manual operation and a floor level engaging device
  • Clearence: side room required 16"
  • 35 cycles per day > 150 cycles per day
    • .......more details
HOISTMOUNTMODDC

LiftMaster L5 GH to Maxum Mount Bracket Kit

  • HOISTMOUNTMODDC is a mounting bracket kit for Maxum Jackshaft and Hoist operators to aid in mounting operator in place of a previously installed LiftMaster® Logic 4.0/5.0 GH operator. This bracket mounts on top of existing GH bracket for easy Maxum JDC JHDC and RJDC installation.
PDC300-CH-OPTION

Pulse300 Chain Hoist Option Only

  • Added option to a Pulse 300 operator
BGARM12ART84

LiftMaster TECHNA Barrier Gate Arm 12 ft w/84" Clearance without LED

  • 12’ Functional length arm with an 84” articulated clearance height from the base of the arm
  • All parts ship in a single carton box for convenient transport and storage ensuring easy on-site assembly. The arm is field-customizable for added flexibility.
  • Made from durable aluminum extrusion with secure fasteners for a reliable fit. Arm joint uses bolts nuts and washers for stability and are reinforced by a torsion bar for added strength.
  • Operating Temperature: -13°F (-25°C) to 140°F (60°C)
  • Requires TECHNA PARKING operator.
BGARM12ART98

LiftMaster TECHNA Barrier Gate Arm 12 ft w/98" Clearance without LED

  • 12’ Functional length arm with an 98” articulated clearance height from the base of the arm
  • All parts ship in a single carton box for convenient transport and storage ensuring easy on-site assembly. The arm is field-customizable for added flexibility.
  • Made from durable aluminum extrusion with secure fasteners for a reliable fit. Arm joint uses bolts nuts and washers for stability and are reinforced by a torsion bar for added strength.
  • Operating Temperature: -13°F (-25°C) to 140°F (60°C)
  • Requires TECHNA PARKING operator
610.5600

Whiting Panel Option for 5600 HD Bottom Roller Brackets

  • This is an upgrade option when purchasing a door or bottom panel
MOD027D1

Manaras Universal Aux. Output Module B070 Red/Green 24V w/Light Rapido Modification

  • MOD027B1 modification only when bought with operator
  • Order MOD027 when ordered in conjunction with a commercial operator
  • Works with BOARD070
026-M12-F5

Blue Giant Cable M12-4 5M Female Leads

  • 5 Meter Cable for Proximity Sensor
TDC48-10

LiftMaster Trolley Chain Pack #48 700LBS 10ft Door

  • Chain pack only
  • TDC48-10 is a #48 Chain Pack Kit for 10 Ft. Trolley Rail Assemblies.
  • For use with LiftMaster® MAXUM TDC 700 Series Standard-Duty Trolley Commercial Door Operators; installed on 10' commercial doors.