Skip to Navigation Skip to Content

ribbon image Real OEM HVAC Parts Are In This Spring!  SHOP NOW

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Structural Concepts LG4 Parts & Manuals

In a bind and need parts today? 
1-hour pickup  Your Location:
Real data and artificial intelligence thinking together to find your part.

Search by Serial Number

Enter your serial number just as it appears on the equipment capital letters, hyphens and all to see an exact list of parts and accessories, specific to your model.

  • Structural Concepts 78656 Air Probe/Cabinet Sensor
    Structural Concepts 78656 Air Probe/Cabinet Sensor
    Our Price: C$ 51.68
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 78656
    • STC78656
    • Quantity Available: 481
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 78657 Defrost Termination Probe
    Structural Concepts 78657 Defrost Termination Probe
    Our Price: C$ 48.11
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 78657
    • STC78657
    • Quantity Available: 397
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72014 Filter Drier, EK-052S
    Structural Concepts 72014 Filter Drier, EK-052S
    Our Price: C$ 71.73
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72014
    • STC72014
    • Quantity Available: 52
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 75785 Switch, Main Power, Rocker, DPST
    Structural Concepts 75785 Switch, Main Power, Rocker, DPST
    Our Price: C$ 18.52
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 75785
    • STC75785
    • Quantity Available: 122
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 73129 Liquid Line, SVO45A
    Structural Concepts 73129 Liquid Line, SVO45A
    Our Price: C$ 300.62
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 73129
    • STC73129
    • Quantity Available: 9
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 20-04880 Contactor, 120V, 30A, 2 Pole
    Structural Concepts 20-04880 Contactor, 120V, 30A, 2 Pole
    Our Price: C$ 111.54
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 20-04880
    • STC20-04880
    • Quantity Available: 4
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 73039 Liquid Flex Line, .25" x 48"
    Structural Concepts 73039 Liquid Flex Line, .25" x 48"
    Our Price: C$ 265.92
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 73039
    • STC73039
    • Quantity Available: 8
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 75106 Thermometer, Digital
    Structural Concepts 75106 Thermometer, Digital
    Our Price: C$ 87.07
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 75106
    • STC75106
    • Quantity Available: 33
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72330 Thermo Expansion Valve
    Structural Concepts 72330 Thermo Expansion Valve
    Our Price: C$ 457.62
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72330
    • STC72330
    • Quantity Available: 5
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72602 Switch, Low Pressure
    Structural Concepts 72602 Switch, Low Pressure
    Our Price: C$ 77.26
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72602
    • STC72602
    • Quantity Available: 9
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 70320CL07500 Seal, Lift Handle
    Structural Concepts 70320CL07500 Seal, Lift Handle
    Our Price: C$ 48.66
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 70320CL07500
    • STC70320CL07500
    • Quantity Available: 9
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72476 Distributor Tab
    Structural Concepts 72476 Distributor Tab
    Our Price: C$ 176.22
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72476
    • STC72476
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 73231 Service Valve/Tee, 1/2"
    Structural Concepts 73231 Service Valve/Tee, 1/2"
    Our Price: C$ 24.33
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 73231
    • STC73231
    • Quantity Available: 13
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 83660 Air Filter, 12" x 14"
    Structural Concepts 83660 Air Filter, 12" x 14"
    Our Price: C$ 150.64
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 83660
    • STC83660
    • Quantity Available: 6
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72601 Pressure Switch
    Structural Concepts 72601 Pressure Switch
    Our Price: C$ 63.05
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72601
    • STC72601
    • Quantity Available: 18
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72334 Dist Spor 1613-2-3/16-.5
    Structural Concepts 72334 Dist Spor 1613-2-3/16-.5
    Our Price: C$ 176.22
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72334
    • STC72334
    • Quantity Available: 3
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 73103 Tee with Pressure Tap. 1/4" OD
    Structural Concepts 73103 Tee with Pressure Tap. 1/4" OD
    Our Price: C$ 23.87
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 73103
    • STC73103
    • Quantity Available: 8
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 38185 Set Screw, Hex Socket Drive, Cupped Tip
    Structural Concepts 38185 Set Screw, Hex Socket Drive, Cupped Tip
    Our Price: C$ 0.68
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 38185
    • STC38185
    • Quantity Available: 5
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 38477 Foot, Rubber
    Structural Concepts 38477 Foot, Rubber
    Our Price: C$ 0.52
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 38477
    • STC38477
    • Quantity Available: 9
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 75915 Switch, Light, Rocker, SPST
    Structural Concepts 75915 Switch, Light, Rocker, SPST
    Our Price: C$ 27.91
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 75915
    • STC75915
    • Quantity Available: 109
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 77398 Jumper, 2 Pin
    Structural Concepts 77398 Jumper, 2 Pin
    Our Price: C$ 3.46
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 77398
    • STC77398
    • Quantity Available: 13
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 30197 Caster, 3.5", Swivel, No Lock, Plate
    Structural Concepts 30197 Caster, 3.5", Swivel, No Lock, Plate
    Our Price: C$ 72.47
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 30197
    • STC30197
    • Quantity Available: 13
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 72074 Expansion Valve/TXV Kit
    Structural Concepts 72074 Expansion Valve/TXV Kit
    Our Price: C$ 521.34
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 72074
    • STC72074
    • Quantity Available: 4
    Something went wrong. Please try again.
    In Stock
  • Structural Concepts 73104 Service Valve, Tee, 3/8"
    Structural Concepts 73104 Service Valve, Tee, 3/8"
    Our Price: C$ 24.74
    My Price:
       
    • Mfr: Structural Concepts
    • Mfr Part #: 73104
    • STC73104
    • Quantity Available: 13
    Something went wrong. Please try again.
    In Stock
24 of 64 items shown

Manuals Available : 0

Videos

  • Video name/title
    by Author name