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Lennox Evaporator coil CK40[C,U]T-24B-**

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Lennox Lennox AHRI Indoor - CK40CT/CK40UT indoor coil Evaporator coil Repair, maintenance, and replacement planning
Lennox CK40[C,U]T-24B-** product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CK40[C,U]T-24B-**+TDR
  • AHRI records represented: 110
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9166666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: CK40[C,U]T-24B-**+TDR
  • Verified product family: CK40CT/CK40UT indoor coil
  • Verified catalog brand: Lennox
  • Verified model family: CK40CUT
  • AHRI model/pattern: CK40[C,U]T-24B-**+TDR
  • Nominal capacity: 2 ton
  • Capacity code: 24
  • Cabinet code: B
  • Configuration: cased or uncased indoor coil family for commercial split-system applications
  • Official family range: 1.5-5 tons
  • Refrigerant: matched-system dependent; confirm metering device/TXV for the installed outdoor unit
  • Official product page: https://www.lennox.com/commercial/products/split-systems/indoor-coils/ck40-indoor-coil

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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Eligible Central HP <5.4 tons

AHRI 217446836

AHRI 217446836 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL19KPV-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216581392

AHRI 216581392 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710157

AHRI 215710157 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710160

AHRI 215710160 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710161

AHRI 215710161 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710162

AHRI 215710162 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710164

AHRI 215710164 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710166

AHRI 215710166 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710167

AHRI 215710167 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215710168

AHRI 215710168 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-024-230A** and indoor unit CK40[C,U]T-24B-**+TDR.
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Service planning

How GreenFlow handles CK40[C,U]T-24B-** requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Jenny W.

Great service! On time, knowledgeable & professional

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Jack B.

Andrey always does a great job.

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Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

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