The SunMaxx 20 Evacuated Tube Solar Collector is now SRCC Certified. This qualifies the SunMaxx 20, Pre-Packaged Systems and any Solar Hot Water System using the SunMaxx 20 for all Federal and State Incentives and Credits within the United States. Click here for more information.
The SunMaxx 20 is the standard SunMaxx Evacuated Tube Solar Collector available. The SunMaxx 20 is extremely affordable (costing less than many leading Flat Plate Solar Collectors) and a single collector can heat 40 gallons of domestic water in a northern climate, with substantially higher performance in southern climates. The SunMaxx 20 is the standard SunMaxx Evacuated Tube Solar Collector for all Pre-Packaged Solar Hot Water Kits, and is perfectly sized for regular residential as well as small commercial, municipal and industrial solar hot water applications.
Each SunMaxx 20 Evacuated Tube Solar Collectors includes:
- 20 Revolutionary SunMaxx Evaucated Tubes
- 20 Copper Heat Pipes
- SunMaxx 20 Face Frame w/Assembly Hardware Kit
- SunMaxx 20 Flush Mount Hardware for Pitched Roofs
- 3 Year SunMaxx Limited Warranty
- Live Support via Phone
Recommended Components to Create a Complete System :
- 40 or 80 Gallon Solar Hot Water Storage Tank
- Or 20 Plate Brazed Plate Heat Exchanger
- Goldline Differential Temperature Controller
- AC or DC/PV Powered Circulator Pump
Assembly Time: A single SunMaxx 20 Solar Collector can be assembled and installed in about 1.5 hours.
| Specifications |
SunMaxx 20 |
| Part Number |
SunMaxx-20 |
| Length (nominal) |
79.2" (2012mm) |
| Width |
73" (1837mm) |
| Outer Tube Diameter |
2.2" (58mm) |
| Inner Tube Diameter |
2.1" (47mm) |
| Glass Thickness |
0.1" (mm) |
| Thermal Expansion |
3.3x10-6 oC |
| Material |
Borosilicate Glass 3.3 |
| Absorptive Coating |
Graded AI-N/AI |
| Absorption |
>92% (AM1.5) |
| Emmittance |
<8% (176 F) |
| Vacuum |
P<5x10-3 Pa |
| Stagnation Temperature |
>428 F |
| Heat Loss |
<0.7W/(m2oC) |
| Maximum Strength |
1.0 MPa |
| Unit Dimensions (W x H) |
5.8' x 6.6' |
| Average Efficiency |
71% |
| Warranty |
3 Years l extended warranties available |
| Estimated Lifespan |
25 - 30 Years |
| Flow Rate |
2 - 3 GPM |
| Weight |
194 Lbs |
| Ships/Arrives |
Freight/On Pallet |
| SunMaxx Direct |
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| Buy Today! |
(800) 653-8540 x453 |
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For More Information or to Place an Order:
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