3.0 Ton Horizontal R-410A Piston Cased (Omniguard) Evaporator Coil, 14.5" Width Furnace Cabinet
1 Available At All US Supply Locations

Armstrong Air EAH1P36AG-50 – 3 Ton Omniguard™ Horizontal Evaporator Coil
The Armstrong Air EAH1P36AG-50 is a factory-built horizontal evaporator coil rated for 3-ton applications. It is engineered to deliver dependable heat transfer and system compatibility with matched Armstrong Air® heating and cooling equipment. This coil is suitable for residential installations requiring R-22 or R-410A refrigerant compatibility and horizontal airflow configuration.
Product Highlights
- Omniguard™ Coil Protection: Factory-applied coating shields internal coil surfaces from corrosion caused by airborne contaminants or moisture exposure.
- MHT™ (Matched Heat Transfer) Design: Uses rifled copper tubing and enhanced aluminum fin surfaces to optimize refrigerant turbulence and thermal conductivity.
- Antimicrobial Drain Pan: Includes Microban®-treated polymer drain pan to reduce microbial growth in moist environments.
- Insulated Cabinet: Galvanized steel housing includes internal insulation to minimize thermal losses and air leakage.
- Serviceability: Coil enclosure features removable panels and accessible connections for simplified maintenance and inspection.
Specifications
- Model: EAH1P36AG-50
- Configuration: Horizontal, left or right airflow
- Capacity: 36,000 BTU (3.0 ton nominal)
- Refrigerant: R-22 and R-410A compatible
- Liquid Line Size: 3/8 in
- Suction Line Size: 3/4 in
- Airflow Range: 400 – 1400 CFM
- Cabinet Dimensions: 23-3/4 in L × 35 in W × 18-3/4 in H
Installation and Application Notes
This evaporator coil is intended for installation by qualified HVAC professionals. It is compatible with Armstrong Air outdoor condensers and designed for horizontal ducted installations. Refrigerant circuit brazing, line sizing, and system charging must be completed according to manufacturer specifications to ensure performance and warranty compliance.
Contractor Considerations
The EAH1P36AG-50 provides consistent performance across a wide range of cooling loads and is ideal for new construction or system upgrades where horizontal airflow is required. Its durable cabinet, corrosion-resistant coil, and matched design support long-term reliability in field installations.
Specifications
| Weight | 47.000000 |
|---|---|
| Height (inches) | 18.75 |
| Length (inches) | 23.75 |
| Width (inches) | 30 |
| Item Type | Evaporator Coil |
| Brand | Armstrong Air & Concord |
| MPN | EAH1P36AG-50 |
| Nominal Capacity | 3 Ton |
| Sub Type | Evaporator Coil |
| Refrigerant Type | R410A |
| Warranty | 10 Years limited |
| Color | Platinum Gray |
| Enclosure Type | Cased |
| Suction Line Size | 7/8 in |
| Item Returns | This item can be returned |
