Green Flow Solution logo
Schedule Service

Evaporator coil

Back to Lennox products

Lennox Evaporator coil CK40DT-48C-0*

Request ServiceEquipment Quote
Lennox Lennox AHRI Indoor - CK40DT dedicated indoor coil Evaporator coil Repair, maintenance, and replacement planning
Lennox CK40DT-48C-0* product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CK40DT-48C-0*+TDR
  • AHRI records represented: 48
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-410A
  • Verified catalog model: CK40DT-48C-0*+TDR
  • Verified product family: CK40DT dedicated indoor coil
  • Verified catalog brand: Lennox
  • Verified model family: CK40DT
  • AHRI model/pattern: CK40DT-48C-0*+TDR
  • Nominal capacity: 4 ton
  • Capacity code: 48
  • Cabinet code: C
  • Configuration: dedicated 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

View All
ENERGY STAR certified HP - Split System

AHRI 214622589

AHRI 214622589 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622590

AHRI 214622590 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622591

AHRI 214622591 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622592

AHRI 214622592 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622593

AHRI 214622593 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622594

AHRI 214622594 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622595

AHRI 214622595 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622596

AHRI 214622596 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622597

AHRI 214622597 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
ENERGY STAR certified HP - Split System

AHRI 214622598

AHRI 214622598 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL17XP1-036-230A** and indoor unit CK40DT-48C-0*+TDR.
Loading more

Service planning

How GreenFlow handles CK40DT-48C-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.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas

Our Happy Customers

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.

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

View All