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30 Tube 80 Gallon Thermosyphon Collectors

80g Non-Pressure DIY Thermosyphon Solar Water Heater

SKU: ThermoPower-VTS-NP30

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Product Details & Specifications

Weight field_209 lbs
Dimensions field_203
Expert Consultation

None, 1 Hour

Head-To-Head: 80G Non-Pressure DIY Solar Water Heater Vs Avg 80G Gas Heater:

80G Thermosyphon Avg 80G Gas Heater
Unit Cost $ 1,399.95 $ 1,937.00
Installation Cost $ 0 (DIY) $ 0 (Included)
Federal Credit (30%) – $ 419.99 – $ 0
Total Up Front Cost $ 979.96 $ 1,937.00
1 Year Operating Cost $ 216.00 $ 720.00
Total 1 Year Cost $ 1,195.96 $ 2,657.00
Save $ 1,461.04 With Solar
Based On National Avg Costs & A 70% Solar Fraction
DIY Solar Hot Water System with Evacuated Tubes 30% Tax Credit30 Tube 80 Gallon Thermosyphon Collectors:
This non-pressure 30 evacuated tube thermosyphon Solar Collector system efficiently creates about 80 gallons of free hot water per day making it the perfect size system for larger households of between 2 and 8 people. This type of SunMaxx system works wonderfully in either cold or warm climates. It is quick to heat up particularly in sunny and partly cloudy conditions and it is slow to lose heat even in cold weather. It can be utilized for a variety of applications including Domestic Hot Water and low-cost hot showers for large municipal and commercial pools.
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How to size?

This system will provide hot water for 3-4 people depending on your climate.


Can I install this system myself?

Yes! This system can be installed by anyone who can follow an instruction manual! Basic plumbing and general assembly skills required. Installation will take 1-2 days depending on your experience. If you need assistance installing your system we can request a local SunMaxx Solar installer to assist with the installation.

Is this system eligible for federal tax credits?

Yes! This system is eligible for a 30% tax credit.

Can I order this item online?

This item can be ordered online.

How much does shipping cost on this item?

Shipping on this item is a flat rate of $200.00 + 5% of the items cost. The unit will ship from SunMaxx Solar’s CA warehouse or NY production plant.

Save time and money by consulting one of our Solar Hot Water experts to help engineer and configure your Solar Hot Water system and the installation.

How The Non-Pressure DIY Solar Water Heater Works:

How Non-Pressure DIY Thermosyphon Solar Water Heater Works


  • Perfect for larger households
  • Exceptional performance
  • Provides free hot water
  • Can be utilized in any climate
  • No-hassle assembly and installation

  • Number of tubes: 30
  • Tube Type: Direct flow
  • Tube Material: Borosilicate glass
  • TubeDiameter: 2.28
  • Tube Length: 79
  • Gross Area: 48 sq ft
  • Dry weight: 388 lbs
  • Volume: 80 gallons
  • Inner Tank Material: Stainless steel
  • Inner Tank Thickness: 0.02
  • Outer Tank Material: Painted Steel
  • Outer Tank Thickness: 0.015
  • Insulation Material: Polyurethane foam
  • Insulation Thickness: 2
  • Frame Material: Painted steel
  • Frame Thickness: 0.06
  • Copper Coil Diameter: 1/2
  • Copper Coil Thickness: 0.03
  • Manufacture: SunMaxx Solar LLC
  • Warranty: 10 year warranty on evacuated tubes, 3 years on storage tank. (See Manufacturer specific warranty)


**We recommend contacting the SunMaxx Solar Residential Hot Water expert Phil Muka at (760) 230-5450 for consultation, sizing, and any questions you have about Solar Hot Water systems**

Or for more information on ThermoSyphon Solar Hot Water Systems fill out the form below

[contact-form-7 id=”29353″ title=”ThermoSyphon Solar Hot Water Contact Form”]

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.

DIY Solar Hot Water System with Evacuated Tubes 30% Tax Credit


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Silicon Solar
2917 State Hwy 7
Bainbridge, NY 13733
P: 1.800.786.0329


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Why Shop With Silicon Solar

Silicon Solar is, and always will be, a family owned and operated solar company dedicated to providing the highest quality solar powered products which have completed our rigorous quality inspection. We also manufacture a full line of solar powered products right here in our production facility; enabling us offer faster delivery and priority technical support.

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Contact Silicon Solar

Silicon Solar
2917 St Hwy 7
Bainbridge, NY 13733

P: 1.800.786.0329

Contact Silicon Solar