Search: 47 results found for "GCS20-042-120-1"

| Your one-stop shop for OEM-quality HVAC parts—everything you need for heating, cooling, ventilation, and more. | www.heatingcoolingparts.com | 773.278.1300 |

WHERE'S MY MODEL NUMBER?

All appliances have a model number and a serial number tag located on the appliance. Generally they are available for the customer to find quickly. If you are unable to locate your tag, please see your original manual and or invoice from when you purchased the appliance.

Home
View Parts By Brand
Carrier
Goodman
Honeywell
Lennox
Rheem
Trane
York
Williams

(773)-278-1300

Exclusive Online Pricing Available!

Find The Right Part. Right Now.®

Sort by

Relevance
Price, low to high
Price, high to low

Compare

View as List Grid

Compare

11C36 Lennox 230V1Ph 42800Btu R-22 Scrlcomp

$1,563.30 USD

Limited Stock Available

View details
Compare

44L58 Lennox Lead - Electrode

$12.35 USD

Limited Stock Available

View details
Compare

41H93 Lennox Distributor Assy

$218.10 USD

Special Order

View details
Compare

93L86 Lennox Collector Box

$222.74 USD

Special Order

View details
Compare

49W66 Lennox Ignition Control Board

$201.78 USD

In Stock

View details
Compare

53L60 Lennox Heat Exchanger

$1,483.22 USD

Limited Stock Available

View details
Compare

83L75 Lennox 100-145F Auto Limit Switch

$23.26 USD

Limited Stock Available

View details
Compare

98G89 Lennox Draft Motor 1/25Hp 1Ph 208/230

$164.31 USD

In Stock

View details
Compare

98G23 Lennox Motor Mounting Arm

$17.24 USD

Special Order

View details
Compare

66507 Lennox Strainer

$28.94 USD

Special Order

View details
Compare

86H31 Lennox Highpressureswitch 410# M/R

$36.70 USD

Limited Stock Available

View details
Compare

10H55 Lennox 460V3Ph48300Btur410A2Stgscroll

$3,026.50 USD

Special Order

View details
Compare

40H54 Lennox Blower Housing

$561.56 USD

Limited Stock Available

View details
Compare

95M45 Lennox Cap Seal

$27.66 USD

Special Order

View details
Compare

15M44 Lennox 180F M/R Spst Rollout Switch

$14.34 USD

In Stock

View details
Compare

95M48 Lennox 100210-01 Valve Core

$14.40 USD

Special Order

View details
Compare

44L48 Lennox Flame Sensor

$14.58 USD

In Stock

View details
Compare

32621 Lennox Rain Shield

$5.67 USD

Special Order

View details
Compare

91L06 Lennox Drain Pan

$428.71 USD

Limited Stock Available

View details
Compare

15M20 Lennox -.10"Wc Spst Pressure Switch

$41.29 USD

In Stock

View details
Compare

90L38 Lennox Indoor Coil Assembly

$4,202.91 USD

Special Order

View details
Compare

10G44 Lennox Blowerwheel 11.5X9" 1/2"Bore

$179.49 USD

Special Order

View details
Compare

13H39 Lennox 208-230V1Ph 3/4Hp 1075Rpm 5Spd

$434.32 USD

In Stock

View details
Compare

80K09 Lennox Ignitor

$20.78 USD

In Stock

View details
Compare

13H37 Lennox 208-230V1Ph 1/3Hp 1075Rpm 4Spd

$349.18 USD

Limited Stock Available

View details
Compare

90L34 Lennox Outdoor Condenser Coil

$2,361.20 USD

Special Order

View details
Compare

13H36 Lennox 1/4Hp 208-230V 825Rpm 1Ph Mtr

$278.56 USD

Limited Stock Available

View details
Compare

36W63 Lennox 3/4Hp 208/230V 1050Rpm Motor

$488.09 USD

Limited Stock Available

View details
Compare

13H33 Lennox 24V 3.5" Wc Nat 1/2" Gas Valve

$363.52 USD

In Stock

View details
Compare

13H28 Lennox 208V-Pri 24V-Sec 70Va Transfor

$78.05 USD

In Stock

View details
Compare

97H15 Lennox 55+7.5Mfd 440V Run Capacitor

$33.44 USD

Special Order

View details
Compare

56L68 Lennox K20 Blowerrelay 24V Spdt

$47.76 USD

Limited Stock Available

View details
Compare

38L96 Lennox Inducer Gasket Kit

$8.76 USD

Special Order

View details
Compare

73K93 Lennox Retainer Nut

$33.15 USD

Special Order

View details
Compare

45C51 Lennox 1/2"Bore 24"Dia Fan Blade 4B

$123.02 USD

Limited Stock Available

View details
Compare

67K65 Lennox 24V Dpdt Fan Relay

$53.97 USD

In Stock

View details
Compare

79J11 Lennox Freezestat, Open-29F/Close-50F

$39.92 USD

In Stock

View details
Compare

54G52 Lennox 460V-Pri 230V-Sec 115Va Transf

$101.53 USD

In Stock

View details
Compare

60L37 Lennox Expansion Valve

$121.20 USD

Limited Stock Available

View details
Compare

30335 Lennox 16"X25"X1" Air Filter

$51.73 USD

Special Order

View details
Compare

93L87 Lennox Collector Box

$651.65 USD

Special Order

View details
Compare

63K62 Lennox Condenser Motor Mount Bracket

$62.68 USD

Limited Stock Available

View details
Compare

53H13 Lennox Run Capac 20 Mfd 440V Oval

$45.26 USD

In Stock

View details
Compare

Sold out

80K37 Lennox Burner Assembly

$79.86 USD

Call for Availability

View details
Compare

Sold out

74J30 Compressor Mounting Kit

$44.02 USD

Call for Availability

View details
Compare

Sold out

23M32 Lennox Wiring Harness

$103.39 USD

Call for Availability

View details
Compare

Sold out

78K59 Lennox Timedelayrelaycontrolboard

$43.16 USD

Call for Availability

View details

Explore Our Sister Websites

Appliance, HVAC, & Restaurant Parts

Appliance OEM & Compatible Parts, HVAC OEM & Compatible Parts, Restaurant OEM & Compatible Parts

Restaurant OEM & Compatible Parts

Visit our support center

Expert help & advice
Check your order status

Updates & tracking
Returns & exchanges

All you need to know
Competitive Prices

Our Promise to You

Heating Cooling Parts

2023 W Fullerton Ave

Chicago, IL 60647

Store Hours (CST)

Mon-Fri: 8:30AM - 5:30PM

Sat: 9:30AM - 2:00PM

Sun: Closed

Facebook
YouTube
Instagram
Twitter

Customer Service

Track Orders
Shipping & Returns
Warranty Info
RMA Form For Returns
Core Fee Deposit Return Form
Return Policy

Help Center

Contact Us
About US
Store Location

Give Us A Call

Local: (773)-278-1300

Phone Center Hours (CST)

Mon-Fri: 8:30 AM - 5:30 PM

Sat: 9:30 AM - 2:00 PM

Sun: Closed

Email: cs@support.parts

Allow 48 hours for response or call us for immediate help.

Privacy Policy
Terms & Conditions

©2026 HeatingCoolingParts dba of Midwest Appliance Parts Co. Inc
This site is not affiliated with or endorsed by any of the original manufacturers listed.
All brand names and logos are property of their respective owners and are used for identification purposes only.

Compare /3

Choose options

Item added to your cart.

View cart

This product must be installed by a qualified/licensed contractor and set up with properly calibrated combustion test equipment. Failure to comply with this could result in substantial property damage, severe personal injury or death.

I acknowledge this product must be installed by a qualified licensed contractor

Oversize and Heavy Item Shipping Fee

The item you are purchasing is either packaged in a very large box or is very heavy. These items tend to require special shipping and handling.

Here's how it works:

Order the new part from our website and pay for this shipping fee.

For large items such as washer tubs, and baskets, we may use a freight company to deliver the item to you. We will contact you with more information on such orders especially to schedule a delivery with the freight company. Very rarely do we ship these items with UPS or Fedex because they have size limitations on what the drivers can carry. Please pay close attention to your tracking # provided at the time of shipping.

For HEAVY items such as compressors and motors, we may use a freight company to deliver the item to you. We will contact you with more information on such orders especially to schedule a delivery with the freight company. Very rarely do we ship these items with UPS or Fedex because they have weight limitations on what the drivers can carry. Please pay close attention to your tracking # provided at the time of shipping.

If you have any questions please reach our parts specialists at 773-278-1300.

Find The Right Part. Right Now!
Heating Cooling Parts

Refundable Deposit (Core Refund) Information

The item you are purchasing has a deposit due at checkout. This is completely refundable when you return your “core” or “old part” back to us.

Here's how it works:

Order the new part from our website.
Print out your order confirmation along with our Core Return Form located on our website. Please include both with your core return. Download Core Fee Return Form
Mail the item back to our Chicago branch at this address: Heating Cooling Parts 2023 W Fullerton Ave Chicago IL 60647.
We will refund your credit card for the amount shown on your original invoice.

If you have any questions please reach our parts specialists at 773-278-1300.

Find The Right Part. Right Now!
Heating Cooling Parts