20 Vacuum Direct Flow Solar Collector VDF

20 Vacuum Direct Flow Solar Collector VDF

$1,299.95

Availability: 10 in stock SKU: ThermoPower-VDF20 Category:
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Description

Twenty Vacuum Direct Flow Tube Solar Collector:
ThermoPower: Silicon Solar offers pre-packaged solar hot water heating systems for both the do-it-yourself customer and the professional installer. Each system includes the primary components required when installing a solar hot water heating system. It is our goal to keep our product cost low in order to ensure that we are making renewable energy products more affordable to the community.

All systems have been tested under the highest quality standards in order to ensure the longevity of your solar heating system. If you are unsure of where to start or if you require guidance with your solar hot water heating system please feel free to contact a solar hot water specialist at 1-888-SOLAR-11.

Vacuum Tube Solar Collectors are extremely efficient and cost-effective particularly in colder climates where other Solar Collectors suffer from limited performance and other problems due to their lack of freeze protection. Vacuum Tube Collectors unlike others are extremely freeze protected leading to efficiencies of over 70% even in freezing temperatures. The unique design and collection properties of these collectors make them exceedingly efficient even in low-light conditions which is another definite advantage during winter.

SunMaxx Vacuum Direct Flow Solar Collectors are among the most affordable cost-effective solar collectors available on the market today.

Specifications:

  • Weight: 115 lbs (without crating)
  • Dimensions: 5.5 ft H x 5.3 ft W
  • Packaging: Ships via freight on a pallet or is available for local pickup (1 pallet is available for residential or commercial delivery )
  • Assembly Time: A collector can be assembled in 1.5 hours
  • Manufacturer: Silicon Solar Inc.
  • Warranty: 3 Year limited (extended warranty available)
  • Expected Lifetime: 25-30 Years
  • Fitting: 1/2 NPT

Includes:

  • Complete Flush and Tilt Mounting Face Frame
  • Manifold (header)
  • 20 Revolutionary SunMaxx Vacuum Direct Flow
  • 20 Vacuum Direct Flow heat pipes
  • Hardware for collector assembly

Product Details:

  • Tube Length: 59 in
  • Outer Tube Diameter: 1.85 in
  • Tube Thickness: 0.1 in
  • Tube Material: Borosilicate Glass 3.3
  • Tube Coating: Graded AI-N/AI
  • Thermal Expansion: 3.3 x 10-6 C
  • Absorption: >94% (AM 1.5)
  • Emittance: <7% (80 C)
  • Vacuum: P <5 x 10-3 Pa
  • Stagnation Temperature: >428 F
  • Heat Loss: <0.7 W/(m2 C)
  • Maximum Strength: 1.0 MPa
  • BTU per hour at 800 W per m2: 3949
  • Flow Rate: 3-4 gallons per minute

 

Additional information

Weight120 lbs
Dimensions242 × 6.00 in
Number of Tubes

20

Category C (clear, sunny) Output

24.9 kBtu / day

kBtus per Square Foot of Collector

0.92 kBtu / day / ft2

Glass Type

Borosilicate Glass

Total Dry Weight

112 lbs

Gross Dimensions

60" x 65"

Gross Area

26.95 Sq. Feet

Aperture Area

19.26 Sq. Feet

Fluid Capacity

0.5 gallons

Absorption / Emission

94% / 7%

Max. Stagnation Temperature

428 F

Max. Operation Pressure

70 psi

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ABOUT US

Since 1999 we've helped thousands of customers with their renewable energy projects. From science projects to solar powered container tracking systems, our team is here with 20 years of experience to help you with your project. If you're ever in the area, we invite you to stop by. Learn more about our history here.

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