8.4 KW REC420AA Pure-2 Specifications
Module Series | REC420AA Alpha PURE-2 |
STC Rating | 420 W |
Panel PTC Rating | 403.3 W |
Watts /Sq. Ft | 20.7 |
Application | Residential Ground |
System Power | 8.40 kW |
System Area | 417 ft² |
Panel Efficiency | 21.7% |
Panel Frame Color | All-Black |
Panel Dimensions | 73.4in X 40.9in x 1.2in |
Enphase System Price | $12,553 $1.49/watt |
SMA System Price | $9,854 $1.17/watt |
Sol-Ark System Price | $14,093 $1.68/watt |
SolarEdge System Price | $11,851 $1.40/watt |

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8.4 kW REC420AA Residential Ground Mount Solar System Kit
SKU REC420AA-PURE-2-8.4KW-GM-SYSTEM-KIT8.4 kW Alpha Pure 2 Ground Mount System
For homeowners looking for an efficient ground mount solar solution with a compact design, the 8.4 kW REC420AA Pure-2 system offers a practical option. This installation features 20 precision-engineered solar panels covering just 417 square feet—ideal for residential sites with limited space. The REC420AA modules are recognized for their steady performance and durability, and the system’s compatibility with a range of inverter options (Enphase, SMA, Sol-Ark, and SolarEdge) provides the flexibility to tailor the setup to your specific energy needs.
This Ground Mount System Kit Includes:
- 20 REC420AA Alpha Pure 2 420W solar panels
- Choice of Solar Inverter:
- Enphase IQ8A 72-2-US Microinverters
- SMA Sunny Boy SBSE7.7-US-50 Inverter
- Sol-Ark 15K-2P-N Hybrid Solar Inverter
- SolarEdge Home Hub SE7600H-US Inverter
- IronRidge Ground Mounting System
- Solar Interconnect Cables and Wire Management
- Grounding Lugs
- State Stamped structural testing reports
- Component installation manuals
- Friendly knowledgeable technical assistance before, during, and after your installation
Optional Features
- Optional Single Line Drawings and Permit Plan Sets
- Wet PE stamps for structural and or electrical
- Ground Mount System Storage Options:
What's Not Included?
- 2 or 3" Schedule 40 Galvanized steel pipe for the Ironridge ground mount
- Standard conduit, ground, tie-in wiring & landing breakers, and AC Disconnects
- Additional load center hardware, breaker boxes, etc

8.4 kW REC420AA Alpha Pure 2 Residential Ground Mount System Review
With over 25 years of experience supplying solar solutions, Solar Electric Supply (SES) is proud to offer the 8.40 kW REC420AA Pure-2 ground mount system. This installation features cutting-edge REC Alpha Pure 2 Series panels that incorporate advanced heterojunction cell technology for exceptional performance. The 420W modules, with a robust anodized aluminum frame and anti-reflective solar glass, deliver impressive efficiency and durability—all while being lead-free and RoHS compliant.
Complementing these high-performance modules is the IronRidge Ground Mount System, engineered for versatility across varied terrains. Utilizing XR1000 rails and Schedule 40 steel pipes, the mount provides a cost-effective and simple-to-install solution that requires minimal structural components. SES stands behind the reliability of this integrated system, which has consistently performed in even the harshest conditions, making it an ideal choice for residential ground mount installations.
8.4 kW REC Ground Mount System Upgrade Options

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