/
/
Parts town. Get real parts faster

Shopping Cart

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

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Lennox
  4. /
  5. KCA300S4-02

Lennox KCA300S4-02 Relays

Manufacturer:

Model #:

Lennox

KCA300S4-02

Packaged A/C + Optional Heat, 25 Ton

Packaged A/C + Optional Heat, 25 Ton

Parts Town Logo

1-Hour Pickup Available

Part Category
RelaysRelaysRelays
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

get special offers & news from parts town

800.239.5152
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
Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

Important Update: Click here for the latest information on tariffs and their impact on our industry.

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
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request
Part Category
RelaysRelaysRelays
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 #: KCA300S4-02

Specs Decoded From The Model Number

Unit Type

Packaged Electric Cooling w/ Optional Electric Heat

Major Design Sequence

1st Generation

Nominal Cooling Capacity

25 tons

Cooling Efficiency

Standard Efficiency

Refrigerant Type

R-410A

Minor Revision Number

02

Lennox 67K65 Relay, DPDT, 24V

Lennox
  • Mfr Part # 67K65
  • Parts Town # LEN67K65
  • Quantity441

In Stock

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

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

In Stock

Lennox 99K31 Thermal Overload Relay, 3PH, Adjustable Trip Range 2.5-4 Amps

Lennox
  • Mfr Part # 99K31
  • Parts Town # LEN99K31
  • Quantity54

In Stock

Lennox 99K30 Thermal Overload Relay, 3PH, Adjustable Trip Range 6.3-10 Amps

Lennox
  • Mfr Part # 99K30
  • Parts Town # LEN99K30
  • Quantity45

In Stock

Lennox 99K32 Thermal Overload Relay, 3PH, Adjustable Trip Range 4-6.3 Amps

Lennox
  • Mfr Part # 99K32
  • Parts Town # LEN99K32
  • Quantity55

In Stock

Lennox 99K27 Overload Protector, 3PH

Lennox
  • Mfr Part # 99K27
  • Parts Town # LEN99K27
  • Quantity5

In Stock

Lennox 67K6501 Lennox Relay, 10 Amp, 28 VDC

Lennox
  • Mfr Part # 67K6501
  • Parts Town # LEN67K6501
  • Quantity0

Obsolete, replaced by LEN67K65

Lennox 67K6601 RELAY

Lennox
  • Mfr Part # 67K6601
  • Parts Town # LEN67K6601
  • Quantity0

Obsolete, replaced by LEN67K66