Search: 25 results found for "GDK125N20A1"

| 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

(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

1008726 International Comfort Products Burner Assembly - 5-Section

$164.53 USD

In Stock

View details
Compare

1011412 International Comfort Products Induced Draft Blower Assembly

$784.18 USD

In Stock

View details
Compare

1011404 International Comfort Products 3/4Hp 115V 900Rpm 4Spd Ccw Blw

$604.95 USD

In Stock

View details
Compare

1009980 International Comfort Products Hsi Ignitor

$94.53 USD

Limited Stock Available

View details
Compare

1380679 International Comfort Products Flame Sensor

$80.11 USD

In Stock

View details
Compare

1005606 International Comfort Products Pressure Tap

$5.16 USD

Limited Stock Available

View details
Compare

1010493 International Comfort Products Secondary Heat Exchanger

$1,291.42 USD

Limited Stock Available

View details
Compare

1010712 International Comfort Products Door Switch

$89.53 USD

Limited Stock Available

View details
Compare

2480678 International Comfort Products Viewport Cover Lexan

$34.15 USD

Special Order

View details
Compare

611872 International Comfort Products Door Switch

$25.76 USD

In Stock

View details
Compare

1170003 International Comfort Products 120V -> 24V 40Va Transformer

$103.97 USD

Limited Stock Available

View details
Compare

1172129 International Comfort Products 11"Dia 10"W Cw 1/2"Wheel

$180.93 USD

In Stock

View details
Compare

1320447 International Comfort Products Spst A/R Rollout Swt 300F-40F

$68.78 USD

In Stock

View details
Compare

Sold out

1009500 International Comfort Products Front Panel For Heat Exc.

$380.95 USD

Call for Availability

View details
Compare

Sold out

1009496 Heil Quaker Panel Frt Part Top L

$620.74 USD

Call for Availability

View details
Compare

Sold out

1008675 Heil Quaker Box Collector L

$491.85 USD

Call for Availability

View details
Compare

Sold out

33406100 Heil Quaker Rail Blr Slide Lk

$16.68 USD

Call for Availability

View details
Compare

Sold out

522020024 International Comfort Products Motor Mount

$39.92 USD

Call for Availability

View details
Compare

Sold out

1009554 Heil Quaker Board Insul L

$48.58 USD

Call for Availability

View details
Compare

Sold out

33411100 Heil Quaker Filter Rack

$30.61 USD

Call for Availability

View details
Compare

Sold out

1149252 Heil Quaker 4Mfd 250V Square Run Capacitor

$21.83 USD

Call for Availability

View details
Compare

Sold out

1170947 International Comfort Products 1.38"Wc Spst Pressure Switch

$58.51 USD

Call for Availability

View details
Compare

Sold out

1009452 Heil Quaker Field Connection Box

$100.55 USD

Call for Availability

View details
Compare

Sold out

2311159 Heil Quaker Shield Vent Pipe Lk

$43.33 USD

Call for Availability

View details
Compare

Sold out

1065702 International Comfort Products 100-130F Auto Limit Switch

$8.75 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