/
/
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. KCA090S4

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
Switches & ButtonsSwitches & ButtonsSwitches & Buttons
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW
Part Category
Switches & ButtonsSwitches & ButtonsSwitches & Buttons
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 KCA090S4 Switches & Buttons

Manufacturer:

Model #:

Lennox

KCA090S4

Packaged A/C + Optional Heat, 7.5 Ton

Packaged A/C + Optional Heat, 7.5 Ton

Lennox 59W40 Pressure Switch, Blower Proving, -.15" WC PF

Lennox
  • Mfr Part # 59W40
  • Parts Town # LEN59W40
  • Quantity109

In Stock

Lennox 10K56 Hi Pressure Switch with Harness

Lennox
  • Mfr Part # 10K56
  • Parts Town # LEN10K56
  • Quantity4

In Stock

Lennox 38M78 Low Ambient Switch, 120/240 Volt, E410A, 600 PSI

Lennox
  • Mfr Part # 38M78
  • Parts Town # LEN38M78
  • Quantity6

In Stock

Lennox 73W85 Temperature Sensor, L70-15F

Lennox
  • Mfr Part # 73W85
  • Parts Town # LEN73W85
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lennox 93J3101 DISCONNECT SWITCH

Lennox
  • Mfr Part # 93J3101
  • Parts Town # LEN93J3101
  • Quantity0

Obsolete, replaced by LEN93J31

Lennox 31L11 Switch, Air, FS4602-2692

Lennox
  • Mfr Part # 31L11
  • Parts Town # LEN31L11
  • Quantity0

Obsolete, no longer available

Model #: KCA090S4

Specs Decoded From The Model Number

Unit Type

Packaged Electric Cooling w/ Optional Electric Heat

Major Design Sequence

1st Generation

Nominal Cooling Capacity

7.5 tons

Cooling Efficiency

Standard Efficiency

Refrigerant Type

R-410A