Lennox Evaporator Coil Horizontal 42B 'B' Cabinet CK40HT | Available in Plano TX

What's Included:

The Lennox CK40HT evaporator coil from Plano Heat & Air is a high-efficiency, cased coil designed to improve the performance and reliability of your residential HVAC setup. With an all-aluminum design, this horizontal coil offers excellent heat transfer, durability, and quiet function ideal for Lennox air conditioners, heat pumps, and furnaces in the 3.5-ton range.

Includes licensed and insured HVAC deployment by professionals, along with the Install Kit for a complete setup.

Professional Installation

• Removal & haul-off of existing equipment
• Installation of new equipment and all included parts
• Refrigerant line connection, evacuation & charge to OEM spec
• Full system start-up, airflow check & operational testing
• Permit pulled and permit fees paid with the local jurisdiction
• Final inspection and job-site clean-up
• Performed by a licensed, insured HVAC contractor

Coil Only Kit

• Drainage & safety secondary drain pan, float switch, P-trap
• Refrigerant line filter drier, ArmaFlex insulation
• PVC fittings pipe stick, couplings, elbows, tee, adapters

Not Included

This listing covers the equipment and standard installation scope above. The following items are not included unless specifically listed on your written invoice or estimate:

• Electrical panel upgrades or new breakers beyond the standard disconnect
• Ductwork modifications, repairs, replacement, or new runs
• New refrigerant line set (existing line set is reused when in good condition)
• Condenser pad re-pour, raised platform, or hurricane tie-downs (standard composite pad is included)
• Condenser relocation to a new exterior position
• Crane or rooftop rigging for difficult equipment access
• Gas line extension, re-routing, or new gas line installation
• Condensate drain line rework beyond the immediate connection at the unit
• Thermostat upgrades (standard thermostat reuse only)
• Asbestos abatement, mold remediation, or hazardous material handling
• Carpentry, drywall, paint, or flooring repair after installation

If any of the above are needed for your home, our technician will assess on-site and provide a written change-order quote before any additional work begins. Nothing extra is charged or performed without your written approval.

5-Year Labor Warranty

Labor is covered for 5 years from the date of installation. If a covered defect related to our setup causes a failure, we return at no charge for diagnosis and labor. Parts replacements are handled under the OEM parts warranty (10 years when registered). Excludes maintenance, filter changes, customer-caused damage, and acts of nature. Full terms on the Warranty & Guarantee page.

Key Features:

• Cased Horizontal Design Ensures easy installation and compatibility with Lennox HVAC systems.
• All-Aluminum Construction Resists corrosion and extends coil life in harsh environments.
• High-Efficiency Heat Transfer Enhances comfort and system performance year-round.
• Quiet Operation Minimizes noise for a peaceful indoor environment.
• Compact & Durable Fits tight spaces and is built for long-term reliability.
• OEM-Compatible Specifically designed for Lennox furnaces and outdoor units.

Why Choose the Lennox CK40HT offered by Plano Heat & Air?

Whether replacing an old coil or upgrading your Lennox system, the CK40HT delivers balanced performance, efficiency, and durability. Backed by a 10-year warranty, it provides reliable comfort every season.

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