Vacuum Heat Pipe Tubes with Heat Pipe Box of Fifteen

Vacuum Heat Pipe Tubes with Heat Pipe Box of Fifteen

Vacuum Heat Pipe Tubes with Heat Pipe Box of Fifteen

$660.00 $396.00

Out of stock

$660.00 $396.00

Availability: Out of stock SKU: ThermoPower-RP-VHP-58X1800MMTUBEHP-15 Category:


Box of 15 Vacuum Heat Tubes with Heat Pipes:
This is a box 15 Vacuum Tubes with Copper Heat Pipes. Vacuum tube solar collectors are the best choice in today’s market and Silicon Solar sells the highest quality SunMaxx tubes in the industry. Evacuated tubes are the component of a solar thermal system which allows it to convert the energy of the sun into heat. Therefore the better evacuated tubes you have in your system the more efficient your system will be. SunMaxx tubes are the best collectors in the industry. They are currently being used all around the world in places such as the United States Germany Canada and China. What sets the SunMaxx tubes apart from the competition is their design. They use two layers of glass in the tubes to increase strength and prevent heat losses to the environment making for a longer lasting more efficient tube.

These evacuated tubes consist of two glass tubes made from extremely strong borosilicate glass. The outer tube is transparent which allows light rays to pass through with minimal reflection. The inner tube is coated with a special selective coating (Al-N/Al) which features excellent solar radiation absorption when compared to conventional flat plate collector systems. The top of the two tubes are fused together and the air contained in the space between the two layers of glass is pumped out while exposing the tube to high temperatures. This evacuation of the gasses forms a vacuum and is the essential factor in the performance of the evacuated tubes.


  • Unique two layer glass tubes increase strength and prevent heat loss
  • Copper heat pipes are included
  • Freight shipping is available anywhere in the continental USA


  • Length: 70
  • Outer tube diameter: 2.2
  • Inner tube diameter: 2.1
  • Glass thickness: 0.1
  • Thermal Expansion: 3.3×10-6 OC
  • Material: Bobsilicate Glass 3.3 & Graded AL-N/AL
  • Absorption: >92% (AM 1.5)
  • Emittance: <8% (80 OC)
  • Vacuum: P<5×10-3 PA
  • Stagnation Temperature: >220 Degrees C
  • Heat Loss: < .7 W/(M20C)
  • Maximum Strength: 1.0 MPA
  • Compatible with most 1800 Max 58 mm evacuated tube systems

Need Assistance?

If you have questions need help or simply feel uncomfortable placing your order online feel free to contact the product representative at 1-800-786-0329.

Additional information

Weight14.00 lbs
Dimensions77.00 × 11.00 in


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