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Lennox Evaporator coil CK40[C,U]T-30A-**

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Lennox Lennox AHRI Indoor - CK40CT/CK40UT indoor coil Evaporator coil Repair, maintenance, and replacement planning
Lennox CK40[C,U]T-30A-** product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CK40[C,U]T-30A-**+TDR
  • AHRI records represented: 109
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.8666666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: CK40[C,U]T-30A-**+TDR
  • Verified product family: CK40CT/CK40UT indoor coil
  • Verified catalog brand: Lennox
  • Verified model family: CK40CUT
  • AHRI model/pattern: CK40[C,U]T-30A-**+TDR
  • Nominal capacity: 2.5 ton
  • Capacity code: 30
  • Cabinet code: A
  • 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 216776063

AHRI 216776063 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776064

AHRI 216776064 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776065

AHRI 216776065 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115279

AHRI 217115279 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115281

AHRI 217115281 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115282

AHRI 217115282 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115283

AHRI 217115283 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217121529

AHRI 217121529 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217121530

AHRI 217121530 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217121537

AHRI 217121537 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
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Service planning

How GreenFlow handles CK40[C,U]T-30A-** 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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Our Happy Customers

Randy J.

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.

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Jack B.

Andrey always does a great job.

Terry S.

Excellent service from best tech!

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