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Lennox Evaporator coil CK40HT-30B-**

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

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CK40HT-30B-**+TDR
  • AHRI records represented: 282
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2
  • AHRI refrigerant: R-454B
  • Verified catalog model: CK40HT-30B-**+TDR
  • Verified product family: CK40HT horizontal indoor coil
  • Verified catalog brand: Lennox
  • Verified model family: CK40HT
  • AHRI model/pattern: CK40HT-30B-**+TDR
  • Nominal capacity: 2.5 ton
  • Capacity code: 30
  • Cabinet code: B
  • 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 216769576

AHRI 216769576 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769577

AHRI 216769577 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769578

AHRI 216769578 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769579

AHRI 216769579 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769588

AHRI 216769588 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769589

AHRI 216769589 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769590

AHRI 216769590 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769591

AHRI 216769591 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189771

AHRI 217189771 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189772

AHRI 217189772 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
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Service planning

How GreenFlow handles CK40HT-30B-** 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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John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

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.

Jack B.

Andrey always does a great job.

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