/
/
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. GCS20-036-90-01

Lennox GCS20-036-90-01 Parts & Manuals

Manufacturer:

Model #:

Lennox

GCS20-036-90-01

Packaged Gas/Electric Unit, 3 Ton

Packaged Gas/Electric Unit, 3 Ton

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
HVAC Parts Are Here!

HVAC Parts Are Here!

Shop the top brands in the industry.

Take Parts Town on the Go!

Take Parts Town on the Go!

Download the industry's #1 app today!

Find the parts you need to fix equipment!

Find the parts you need to fix equipment!

Based on data from techs, powered by AI!

We are ready to help!

We are ready to help!

We offer customer service support in Spanish

Flat rate shipping anywhere in Mexico $49.99

Flat rate shipping anywhere in Mexico $49.99

Inclusive of duties and brokerage.

Find the parts you need to fix equipment!

Find the parts you need to fix equipment!

Based on data from techs, powered by AI!

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

  • Burners(2)
  • Capacitors(4)
  • Compressors(1)
  • Condenser & Evaporator Coils(1)
  • Contactors(3)
  • Controls(2)
  • Disconnects, Couplings & Collars(1)
  • Fan & Blower Motors(1)
  • Fan Blades & Blower Wheels(1)
  • 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)
  • Power Supplies & Cords(1)
  • Probes & Sensors(2)
  • Pumps & Motors(4)
  • Relays(5)
  • Shields & Guards(1)
  • Switches & Buttons(6)
  • Thermostats & High Limits(1)
  • Transformers(6)
  • Valves, Solenoids & Fittings(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Burners(2)
  • Capacitors(4)
  • Compressors(1)
  • Condenser & Evaporator Coils(1)
  • Contactors(3)
  • Controls(2)
  • Disconnects, Couplings & Collars(1)
  • Fan & Blower Motors(1)
  • Fan Blades & Blower Wheels(1)
  • 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)
  • Power Supplies & Cords(1)
  • Probes & Sensors(2)
  • Pumps & Motors(4)
  • Relays(5)
  • Shields & Guards(1)
  • Switches & Buttons(6)
  • Thermostats & High Limits(1)
  • Transformers(6)
  • Valves, Solenoids & Fittings(4)
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.

Model #: GCS20-036-90-01

Specs Decoded From The Model Number

Unit Type

DX Cooling - Gas Heating - Single Package

Series

20

Cooling Capacity

3 tons

Heating Capacity

90,000 Btuh

Minor Revision Number

01

Lennox 28G16 Motor, Blower, 460 Volt, 1 PH, 60HZ, 1/2 HP, 1075 RPM, 3 Speed, 48 Frame

Lennox
  • Mfr Part # 28G16
  • Parts Town # LEN28G16
  • Quantity362

In Stock, Ships today

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

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

In Stock, Ships today

Lennox 49W66 Ignition Control Board, 102186-01

Lennox
  • Mfr Part # 49W66
  • Parts Town # LEN49W66
  • Quantity596

In Stock, Ships today

Lennox 67K65 Relay, DPDT, 24V

Lennox
  • Mfr Part # 67K65
  • Parts Town # LEN67K65
  • Quantity340

In Stock, Ships today

Lennox 10F73 Contactor, 1 Pole, 24VAC 50/60HZ Coil, 25FLA

Lennox
  • Mfr Part # 10F73
  • Parts Town # LEN10F73
  • Quantity91

In Stock, Ships today

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

Lennox
  • Mfr Part # 93J31
  • Parts Town # LEN93J31
  • Quantity47

In Stock, Ships today

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

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

In Stock, Ships today

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

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

In Stock, Ships today

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

Lennox
  • Mfr Part # 86H31
  • Parts Town # LEN86H31
  • Quantity33

In Stock, Ships today

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

Lennox
  • Mfr Part # 67K66
  • Parts Town # LEN67K66
  • Quantity61

In Stock, Ships today

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

Lennox
  • Mfr Part # 18L89
  • Parts Town # LEN18L89
  • Quantity13

In Stock, Ships today

Lennox 79J22 Flame Sensor

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

In Stock, Ships today

Lennox 80K09 Ignitor Electrode

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

In Stock, Ships today

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

Lennox
  • Mfr Part # 42W94
  • Parts Town # LEN42W94
  • Quantity5

In Stock, Ships today

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

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

In Stock, Ships today

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

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

In Stock, Ships today

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

Lennox
  • Mfr Part # 56L68
  • Parts Town # LEN56L68
  • Quantity52

In Stock, Ships today

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

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

In Stock, Ships today

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

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

In Stock, Ships today

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

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

In Stock, Ships today

Lennox 21708 Blower Wheel, 10"D x 8 1/2"W, 1/2" Bore, CW

Lennox
  • Mfr Part # 21708
  • Parts Town # LEN21708
  • Quantity2

In Stock, Ships today

Lennox 15M20 Pressure Switch, SPST, Normally Open, -0.10" WC PF

Lennox
  • Mfr Part # 15M20
  • Parts Town # LEN15M20
  • Quantity42

In Stock, Ships today

Lennox 71G35 Fuse, 3.5 Amp, 125V

Lennox
  • Mfr Part # 71G35
  • Parts Town # LEN71G35
  • Quantity3

In Stock, Ships today

Lennox 98G89 Motor, Combustion Air Blower, 208-230 Volt, 1 PH, 60HZ, 1/25 HP, 3200 RPM

Lennox
  • Mfr Part # 98G89
  • Parts Town # LEN98G89
  • Quantity4

In Stock, Ships today

123