SunEarth Solar Empire Collector EP-21
SunEarth Solar Empire Collector EP-21 is backordered and will ship as soon as it is back in stock.
SunEarth Empire Collector EP-21
3 × 7 High-Performance Flat Plate Solar Thermal Collector
Part Number: EP-21
Product Description
The SunEarth Empire Collector EP-21 is a premium 3 ft. × 7 ft. flat plate solar thermal collector engineered to deliver exceptional performance, durability, and long-term reliability for residential and commercial solar water heating systems. Designed with a selective copper absorber plate, low-iron tempered safety glass, and a rugged dark bronze anodized aluminum frame, the EP-21 maximizes solar energy absorption while minimizing thermal losses.
With a gross collector area of 21.8 square feet and an aperture area of 18.8 square feet, the Empire EP-21 provides outstanding thermal efficiency while maintaining a lightweight yet durable construction. The collector is insulated with high-density insulation and utilizes precision copper risers and headers for excellent heat transfer and corrosion resistance.
Whether used in domestic hot water systems, commercial solar thermal installations, or hydronic heating applications, the EP-21 offers the performance and quality that have made SunEarth one of the industry's most trusted manufacturers of solar thermal collectors.
Key Features
- Premium 3 × 7 flat plate solar thermal collector
- High-efficiency selective copper absorber plate
- Durable dark bronze anodized aluminum frame
- Low-iron tempered safety glass for maximum solar transmission
- Copper risers and headers for exceptional heat transfer
- High-density insulation minimizes standby heat loss
- Lightweight yet rugged construction
- Corrosion-resistant materials for extended service life
- Engineered for residential and commercial solar water heating
- Designed for freeze-protected closed-loop solar thermal systems
- Manufactured in the USA
- Proven SunEarth performance and reliability
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | SunEarth |
| Product | Empire Flat Plate Solar Collector |
| Part Number | EP-21 |
| Model | Empire Collector 3 × 7 |
| Collector Dimensions | 40.2 in. × 76.2 in. (3 ft. × 7 ft.) |
| Gross Collector Area | 21.8 sq. ft. |
| Aperture Area | 18.8 sq. ft. |
| Collector Type | Flat Plate Solar Thermal Collector |
| Absorber Plate | Selective Copper Absorber |
| Absorber Coating | High-Performance Selective Surface |
| Riser Material | Copper |
| Header Material | Copper |
| Glazing | Low-Iron Tempered Safety Glass |
| Frame Material | Dark Bronze Anodized Aluminum |
| Backsheet | Aluminum |
| Insulation | High-Density Fiberglass / Mineral Wool |
| Fluid Capacity | 0.6 gal |
| Maximum Operating Pressure | 160 PSI (11 bar) |
| Maximum Operating Temperature | 400°F (204°C) |
| Approximate Empty Weight | 49 lbs |
| Applications | Residential Solar Water Heating, Commercial Solar Thermal Systems, Hydronic Heating, Pool Heating, Process Water Heating |
Technical Documents:
SunEarth Solar Empire Collector EP-21
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Let customers speak for us
Excellent product for descaling tankless water heater.
Once again, great quick service
Great service. Happy to find the products I needed.
Great place to order from. No complaints.
Had everything i needed and step by step directions!
Excellent product! Customer service via email was timely & supportive... Shipping was quicker than expected... Thx!
Great service, quick, my new go to store/website
Works really well, this seals well also.
Dont use too much and dont put that much heat on it.
Haven't tested when water is in the system but over all is better than oatey no 5.
I am very happy with my experience. We had a shipping issue on my first order, and after working with PLUMBESTORE, they sent me another part ASAP. The part arrived very quickly and as described.
Flux works great, like nothing I’ve ever used before. Good buy Oatey junk!
Quick transaction and shipping.
SanCO2 products are exemplary.but what was most impressive about my recent order was the superb service of PlumbEstore as provided by David. Great efficiency, accuracy, expertise and delivery were perfect. That is a true rarity in today's professional marketplace and deserves recognition & support.
