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Evaporator coil

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Lennox Evaporator coil CK40CT-49C-0*

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Lennox Lennox AHRI Indoor - CK40CT cased indoor coil Evaporator coil Repair, maintenance, and replacement planning
Lennox CK40CT-49C-0* product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CK40CT-49C-0*+TDR
  • AHRI records represented: 65
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-410A
  • Verified catalog model: CK40CT-49C-0*+TDR
  • Verified product family: CK40CT cased indoor coil
  • Verified catalog brand: Lennox
  • Verified model family: CK40CT
  • AHRI model/pattern: CK40CT-49C-0*+TDR
  • Nominal capacity: 4 ton
  • Capacity code: 49
  • Cabinet code: C
  • Configuration: cased 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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ENERGY STAR certified HP - Split System

AHRI 214622755

AHRI 214622755 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622756

AHRI 214622756 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622757

AHRI 214622757 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622758

AHRI 214622758 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622765

AHRI 214622765 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622766

AHRI 214622766 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622767

AHRI 214622767 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622778

AHRI 214622778 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622779

AHRI 214622779 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622780

AHRI 214622780 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-042-230A** and indoor unit CK40CT-49C-0*+TDR.
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Service planning

How GreenFlow handles CK40CT-49C-0* 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

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.

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...

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.

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