/
/
Parts town. Get real parts faster

Shopping Cart

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

Find Equipment Manuals

Loading...
Loading...
Parts Town Logo

1-Hour Pickup Available

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

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

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

  1. Home
  2. /
  3. Lennox
  4. /
  5. CB21-65-01
Part Predictor Background
PartsTown Logo

Real data and artificial intelligence thinking together to find your part.

Part Category

  • Baffles(3)
  • Bearings & Bushings(1)
  • Belts, Pulleys & Sheaves(4)
  • Bezels(4)
  • Brackets & Retainers(6)
  • Burners(4)
  • Cap Tubes(1)
  • Capacitors(1)
  • Caps & Plugs(2)
  • Circuit Breakers(1)
  • Compressors(4)
  • Condenser & Evaporator Coils(13)
  • Contactors(1)
  • Controls(10)
  • Disconnects, Couplings & Collars(1)
  • Diverters & Deflectors(2)
  • Elements, Heaters & Platens(4)
  • Fan & Blower Motors(10)
  • Fan Blades & Blower Wheels(7)
  • Filters, Screens & Driers(4)
  • Fuses, Blocks & Holders(4)
  • Gaskets & Seals(4)
  • Hinges(1)
  • Holders & Supports(4)
  • Hoses, Pipes & Tubing(3)
  • Ignition Modules(1)
  • Ignitors & Electrodes(1)
  • Inserts & Frames(3)
  • Orifices(3)
  • Panels, Covers & Lids(33)
  • Plates(2)
  • Potentiometers & Resistors(1)
  • Probes & Sensors(3)
  • Pumps & Motors(11)
  • Relays(8)
  • Rods, Shafts & Pins(1)
  • Shields & Guards(2)
  • Switches & Buttons(14)
  • Terminal Blocks(1)
  • Thermostats & High Limits(7)
  • Transformers(2)
  • Valves, Solenoids & Fittings(13)
  • Wires, Cables & Hardware(16)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Baffles(3)
  • Bearings & Bushings(1)
  • Belts, Pulleys & Sheaves(4)
  • Bezels(4)
  • Brackets & Retainers(6)
  • Burners(4)
  • Cap Tubes(1)
  • Capacitors(1)
  • Caps & Plugs(2)
  • Circuit Breakers(1)
  • Compressors(4)
  • Condenser & Evaporator Coils(13)
  • Contactors(1)
  • Controls(10)
  • Disconnects, Couplings & Collars(1)
  • Diverters & Deflectors(2)
  • Elements, Heaters & Platens(4)
  • Fan & Blower Motors(10)
  • Fan Blades & Blower Wheels(7)
  • Filters, Screens & Driers(4)
  • Fuses, Blocks & Holders(4)
  • Gaskets & Seals(4)
  • Hinges(1)
  • Holders & Supports(4)
  • Hoses, Pipes & Tubing(3)
  • Ignition Modules(1)
  • Ignitors & Electrodes(1)
  • Inserts & Frames(3)
  • Orifices(3)
  • Panels, Covers & Lids(33)
  • Plates(2)
  • Potentiometers & Resistors(1)
  • Probes & Sensors(3)
  • Pumps & Motors(11)
  • Relays(8)
  • Rods, Shafts & Pins(1)
  • Shields & Guards(2)
  • Switches & Buttons(14)
  • Terminal Blocks(1)
  • Thermostats & High Limits(7)
  • Transformers(2)
  • Valves, Solenoids & Fittings(13)
  • Wires, Cables & Hardware(16)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Lennox CB21-65-01 Parts & Manuals

Manufacturer:

Model #:

Lennox

CB21-65-01

Coil Blower Unit, 5 Ton, 21 Series

Coil Blower Unit, 5 Ton, 21 Series

Model #: CB21-65-01

Specs Decoded From The Model Number

Unit Type

Coil Blower Unit

Series

21

Nominal Cooling Capacity

5 tons

Minor Revision Number

01

Lennox 37J05 37J0501 PRESSURE SWITCH-LOW-AUTO RESET

Lennox
  • Mfr Part # 37J05
  • Parts Town # LEN37J05
  • Quantity0

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

Lennox 37K62 Panel, Top

Lennox
  • Mfr Part # 37K62
  • Parts Town # LEN37K62
  • Quantity0

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

Lennox 38509 P-8-9152 CNTRL-PRESS

Lennox
  • Mfr Part # 38509
  • Parts Town # LEN38509
  • Quantity0

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

Lennox 38L93 MANIFOLD

Lennox
  • Mfr Part # 38L93
  • Parts Town # LEN38L93
  • Quantity0

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

Lennox 39H23 Coupling, Plastic Pipe

Lennox
  • Mfr Part # 39H23
  • Parts Town # LEN39H23
  • Quantity0

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

Lennox 39M16 LB-74582 PUMP KIT

Lennox
  • Mfr Part # 39M16
  • Parts Town # LEN39M16
  • Quantity0

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

Lennox 41H36 INDOOR COIL

Lennox
  • Mfr Part # 41H36
  • Parts Town # LEN41H36
  • Quantity0

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

Lennox 41H87 STRNR ASY

Lennox
  • Mfr Part # 41H87
  • Parts Town # LEN41H87
  • Quantity0

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

Lennox 42G11 BRACKET

Lennox
  • Mfr Part # 42G11
  • Parts Town # LEN42G11
  • Quantity0

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

Lennox 42J95 GRILLE CONDENSER

Lennox
  • Mfr Part # 42J95
  • Parts Town # LEN42J95
  • Quantity0

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

Lennox 42L83 PANEL ASSY

Lennox
  • Mfr Part # 42L83
  • Parts Town # LEN42L83
  • Quantity0

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

Lennox 43C78 HEAT PUMP THERMOSTAT

Lennox
  • Mfr Part # 43C78
  • Parts Town # LEN43C78
  • Quantity0

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

Lennox 43J37 LB-65790A BLOWER ASSEMBLY HOUSING

Lennox
  • Mfr Part # 43J37
  • Parts Town # LEN43J37
  • Quantity0

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

Lennox 43J39 LB-65790C BLOWER ASSEMBLY HOUSING

Lennox
  • Mfr Part # 43J39
  • Parts Town # LEN43J39
  • Quantity0

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

Lennox 43L07 LB-85258 HARN-WIRE

Lennox
  • Mfr Part # 43L07
  • Parts Town # LEN43L07
  • Quantity0

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

Lennox 45L47 MANIFOLD

Lennox
  • Mfr Part # 45L47
  • Parts Town # LEN45L47
  • Quantity0

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

Lennox 45L91 GAS VALVE REPL KIT

Lennox
  • Mfr Part # 45L91
  • Parts Town # LEN45L91
  • Quantity0

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

Lennox 45M96 ROOFTOP UNIT HARNESS-WIRING O.D. FAN

Lennox
  • Mfr Part # 45M96
  • Parts Town # LEN45M96
  • Quantity0

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

Lennox 46G18 Ignition Lead, Red

Lennox
  • Mfr Part # 46G18
  • Parts Town # LEN46G18
  • Quantity0

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

Lennox 46K70 Limit Switch/Thermostat, L190-30F, Auto Reset

Lennox
  • Mfr Part # 46K70
  • Parts Town # LEN46K70
  • Quantity0

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

Lennox 46K73 200-230F AUTO LIMIT SWITCH

Lennox
  • Mfr Part # 46K73
  • Parts Town # LEN46K73
  • Quantity0

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

Lennox 47A89 CIRCUIT BREAKER, 2 POLE, 15A, 120/240V,

Lennox
  • Mfr Part # 47A89
  • Parts Town # LEN47A89
  • Quantity0

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

Lennox 47M38 Hose Assembly, Inducer

Lennox
  • Mfr Part # 47M38
  • Parts Town # LEN47M38
  • Quantity0

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

Lennox 48C83 Pilot Orifice, Natural

Lennox
  • Mfr Part # 48C83
  • Parts Town # LEN48C83
  • Quantity0

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

456