/
/








Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
USD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Lennox
  4. /
  5. GCS20-048-75-01

Part Category

  • Brackets & Retainers(2)
  • Burners(1)
  • Capacitors(3)
  • Compressors(7)
  • Condenser & Evaporator Coils(2)
  • Contactors(1)
  • Controls(2)
  • Disconnects, Couplings & Collars(1)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(3)
  • Fan Blades & Blower Wheels(2)
  • Filters, Screens & Driers(1)
  • Fuses, Blocks & Holders(1)
  • Gaskets & Seals(2)
  • Holders & Supports(1)
  • Ignitors & Electrodes(1)
  • Nuts, Bolts & Screws(1)
  • Orifices(1)
  • Panels, Covers & Lids(1)
  • Pans, Trays & Wells(1)
  • Pilot Burners(1)
  • Plates(1)
  • Power Supplies & Cords(1)
  • Probes & Sensors(2)
  • Pumps & Motors(3)
  • Relays(5)
  • Shields & Guards(1)
  • Switches & Buttons(6)
  • Thermostats & High Limits(1)
  • Transformers(6)
  • Valves, Solenoids & Fittings(3)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

get special offers & news from parts town

+52 558.957.7295
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

Call: +52 558.957.7295
Hvac Parts
TECHTOWN
Track My Order

Important Update: Happy Labor Day! We’ll be closed on Monday, September 7th to enjoy a quick labor-free day. We’ll be back on Tuesday the 8th, ready to work.

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Parts In Town
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

Part Category

  • Brackets & Retainers(2)
  • Burners(1)
  • Capacitors(3)
  • Compressors(7)
  • Condenser & Evaporator Coils(2)
  • Contactors(1)
  • Controls(2)
  • Disconnects, Couplings & Collars(1)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(3)
  • Fan Blades & Blower Wheels(2)
  • Filters, Screens & Driers(1)
  • Fuses, Blocks & Holders(1)
  • Gaskets & Seals(2)
  • Holders & Supports(1)
  • Ignitors & Electrodes(1)
  • Nuts, Bolts & Screws(1)
  • Orifices(1)
  • Panels, Covers & Lids(1)
  • Pans, Trays & Wells(1)
  • Pilot Burners(1)
  • Plates(1)
  • Power Supplies & Cords(1)
  • Probes & Sensors(2)
  • Pumps & Motors(3)
  • Relays(5)
  • Shields & Guards(1)
  • Switches & Buttons(6)
  • Thermostats & High Limits(1)
  • Transformers(6)
  • Valves, Solenoids & Fittings(3)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Predictor Background
PartsTown Logo

Real data and artificial intelligence thinking together to find your part.

Lennox GCS20-048-75-01 Parts & Manuals

Manufacturer:

Model #:

Lennox

GCS20-048-75-01

Packaged Gas/Electric Unit, 4 Ton

Packaged Gas/Electric Unit, 4 Ton

Lennox 15M43 Limit/Rollout Switch/Thermostat, L270F, Manual Reset

Lennox
  • Mfr Part # 15M43
  • Parts Town # LEN15M43
  • Quantity99

In Stock

Lennox 49W66 Ignition Control Board, 102186-01

Lennox
  • Mfr Part # 49W66
  • Parts Town # LEN49W66
  • Quantity598

In Stock

Lennox 67K65 Relay, DPDT, 24V

Lennox
  • Mfr Part # 67K65
  • Parts Town # LEN67K65
  • Quantity477

In Stock

Lennox 93J31 Disconnect Switch, 600V, 80Amp, 3 Pole

Lennox
  • Mfr Part # 93J31
  • Parts Town # LEN93J31
  • Quantity46

In Stock

Lennox 95M57 Contactor, 24 Volt Coil, 50/60HZ, 3 Pole, 35 Amp

Lennox
  • Mfr Part # 95M57
  • Parts Town # LEN95M57
  • Quantity31

In Stock

Lennox 15M2001 Pressure Switch, -0.10" W.C., SPST

Lennox
  • Mfr Part # 15M2001
  • Parts Town # LEN15M2001
  • Quantity57

In Stock

Lennox 86H31 Pressure Switch, 410#, High, Manual Reset

Lennox
  • Mfr Part # 86H31
  • Parts Town # LEN86H31
  • Quantity42

In Stock

Lennox 67K66 Heat Relay, 24VAC Coil, 3PDT

Lennox
  • Mfr Part # 67K66
  • Parts Town # LEN67K66
  • Quantity67

In Stock

Lennox 10G44 Blower Wheel, 11.5" x 9", 1/2" Bore, CW

Lennox
  • Mfr Part # 10G44
  • Parts Town # LEN10G44
  • Quantity9

In Stock

Lennox 18L89 Pressure Switch, Blower Proving, SPST, 0.14 +/-0.05" WC on Rise.

Lennox
  • Mfr Part # 18L89
  • Parts Town # LEN18L89
  • Quantity20

In Stock

Lennox 13H39 Blower Motor, 208/230V, 60HZ, 1PH, 1075RPM/5 Speed, 3/4HP, CCW

Lennox
  • Mfr Part # 13H39
  • Parts Town # LEN13H39
  • Quantity2

In Stock

Lennox 10F74 Contactor, 1 Pole, 24VAC 50/60HZ Coil, 40FLA

Lennox
  • Mfr Part # 10F74
  • Parts Town # LEN10F74
  • Quantity17

In Stock

Lennox 79J22 Flame Sensor

Lennox
  • Mfr Part # 79J22
  • Parts Town # LEN79J22
  • Quantity41

In Stock

Lennox 80K09 Ignitor Electrode

Lennox
  • Mfr Part # 80K09
  • Parts Town # LEN80K09
  • Quantity12

In Stock

Lennox 42W94 Transformer, 460 to 24 Volt, 70VA

Lennox
  • Mfr Part # 42W94
  • Parts Town # LEN42W94
  • Quantity8

In Stock

Lennox 60L37 Thermal Expansion Valve/TXV, H-Series, 5 Ton, 3/8" In x 1/2" Out

Lennox
  • Mfr Part # 60L37
  • Parts Town # LEN60L37
  • Quantity4

In Stock

Lennox 54G52 Transformer, 460 to 230V, 60HZ, 115VA

Lennox
  • Mfr Part # 54G52
  • Parts Town # LEN54G52
  • Quantity9

In Stock

Lennox 13H33 Gas Valve, Natural, 3.5"WC, 24V, 1/2"

Lennox
  • Mfr Part # 13H33
  • Parts Town # LEN13H33
  • Quantity3

In Stock

Lennox 56L68 Relay, Blower, Ice Cube, 24VAC, SPDT

Lennox
  • Mfr Part # 56L68
  • Parts Town # LEN56L68
  • Quantity58

In Stock

Lennox 83W77 Capacitor, Run, 370 Volt, 50/60HZ, 7 MFD, Oval

Lennox
  • Mfr Part # 83W77
  • Parts Town # LEN83W77
  • Quantity19

In Stock

Lennox 32621 Rain Shield, 3-1/8" OD, 1/2" Bore

Lennox
  • Mfr Part # 32621
  • Parts Town # LEN32621
  • Quantity17

In Stock

Lennox 66J54 Transformer, 600 to 24 Volt, 70VA

Lennox
  • Mfr Part # 66J54
  • Parts Town # LEN66J54
  • Quantity19

In Stock

Lennox 53H13 Capacitor, Run, 440 Volt, 20 MFD, Round

Lennox
  • Mfr Part # 53H13
  • Parts Town # LEN53H13
  • Quantity4

In Stock

Lennox 13H36 Fan Motor, Condenser, 208/230V, 60HZ, 1PH, 825RPM, 1/4HP, CCW

Lennox
  • Mfr Part # 13H36
  • Parts Town # LEN13H36
  • Quantity5

In Stock

123

Model #: GCS20-048-75-01

Specs Decoded From The Model Number

Unit Type

DX Cooling - Gas Heating - Single Package

Series

20

Cooling Capacity

4 tons

Heating Capacity

75,000 Btuh

Minor Revision Number

01