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Lennox Evaporator coil CK40HT-30A-**

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Lennox Lennox AHRI Indoor - CK40HT horizontal indoor coil Evaporator coil Repair, maintenance, and replacement planning
Lennox CK40HT-30A-** product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CK40HT-30A-**+TDR
  • AHRI records represented: 130
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2
  • AHRI refrigerant: R-454B
  • Verified catalog model: CK40HT-30A-**+TDR
  • Verified product family: CK40HT horizontal indoor coil
  • Verified catalog brand: Lennox
  • Verified model family: CK40HT
  • AHRI model/pattern: CK40HT-30A-**+TDR
  • Nominal capacity: 2.5 ton
  • Capacity code: 30
  • Cabinet code: A
  • Configuration: horizontal indoor coil 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 217189761

AHRI 217189761 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189762

AHRI 217189762 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189763

AHRI 217189763 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189764

AHRI 217189764 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189765

AHRI 217189765 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189766

AHRI 217189766 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189767

AHRI 217189767 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189768

AHRI 217189768 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189769

AHRI 217189769 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189770

AHRI 217189770 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
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Service planning

How GreenFlow handles CK40HT-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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Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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...

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

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