When your cooling system stops working, finding the exact Trane 2 to 3 ton evaporator coil replacement is vital to restoring your home comfort. The Trane A4MX 4-Way Cased Coil (Model A4MXB3642AC6HA) comes equipped with an all-aluminum Comfort™ coil that is tried and tested to prevent the premature refrigerant leaks common in older copper designs. This high-quality 24,000 to 36,000 BTU cased coil integrates seamlessly with your existing heating components and matching AC unit to maximize overall energy efficiency. Beyond its reliable performance, this specific model is engineered with a removable front panel that makes routine maintenance and cleaning incredibly simple for both homeowners and service technicians.
Designed for versatile multi-position setups, this cased evaporator coil features 100% foil-backed insulation to ensure a quiet operation experience while eliminating cabinet sweating. The integrated two-way noncorrosive drain pan prevents standing water from collecting, keeping your air handler safe from mold growth and moisture damage. To guarantee long-term durability, the entire 2 ton to 3 ton housing is covered with a premium painted finish that protects the structural shell from rust and atmospheric corrosion. Whether you want to buy the Trane A4MXB3642AC6HA online as a direct replacement part or schedule a professional installation, this durable unit delivers the reliable indoor climate control you expect from Trane.
Features of Trane 2 to 3 Ton 24000 to 36000 BTU A4MX Four Way Cased Coil A4MXB3642AC6HA
- All-aluminum Comfort™ coil design actively reduces the risk of costly refrigerant leaks
- Two-way noncorrosive drain pan ensures water does not sit or collect inside the housing
- Premium factory-painted finish increases protection against rust and external rust damage
- 100% foil-backed insulation enables quiet operation and makes internal cleaning effortless
- Universal 4-way convertible layout allows for flexible upflow, downflow, or horizontal airflow configuration
- Sized for standard 17.5 inch cabinet dimensions to match your existing furnace or AC unit setup perfectly
Specifications of Trane 2 – 3 Ton 24000 – 36000 BTU A4MX Cased Coil A4MXB3642AC6HA
Cased Coil Specifications | |
| Tonnage | 2 – 3 Tons |
| Capacity | 24000 – 36000 BTU |
| Coil Type | Cased |
| Configuration | Upflow, Downflow, Horizontal Left & Right |
| Refrigerant control | Piston |
| Lineset Connection Type | Sweat |
Maximum Airflow | |
| Upflow | 1250 CFM |
| Horizontal Left | 1200 CFM |
| Downflow | 1050 CFM |
| Horizontal Right | 1250 CFM |
Cased Coil Dimensions | |
| Gas Connection | 3/4 Inches |
| Liquid Connection | 3/8 Inches |
| Drain Connection | 3/4 Inches |
| Coil Height | 20 Inches |
| Coil Width | 17.5 Inches |
| Coil Depth | 21 Inches |
Cased Coil Weight | |
| Coil Weight | 43 Pounds |



Michael (verified owner) –
Cools quickly and runs quietly. Perfect for summer!
Paul (verified owner) –
Efficient, quiet, and great for any home.
Kaden Arabic (verified owner) –
Very well worth the money.
Richard (verified owner) –
Efficient, quiet, and great for any home.
Paul (verified owner) –
Best home investment—temperature is always just right.
Daniel (verified owner) –
Reliable and keeps the whole house comfortable.