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20 Tube 40 Gallon Thermosyphon Collectors DIY Solar Hot Water Kit

40g Non-Pressure DIY Thermosyphon Solar Water Heater

SKU: ThermoPower-VTS-NP20

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Product Details & Specifications

Weight field_209 lbs
Dimensions field_203
Expert Consultation

None, 1 Hour

Head-To-Head: 40G Non-Pressure DIY Solar Water Heater Vs Avg 40G Gas Heater:

40G Thermosyphon Avg 40G Gas Heater
Unit Cost $ 999.95 $ 948.00
Installation Cost $ 0 (DIY) $ 0 (Included)
Federal Credit (30%) – $ 299.99 – $ 0
Total Up Front Cost $ 699.96 $ 948.00
1 Year Operating Cost $ 108.00 $ 360.00
Total 1 Year Cost $ 807.96 $ 1,308.00
Save $500.04 With Solar
Based On National Avg Costs & A 70% Solar Fraction
Evacuated Tube Collector DIY 40 Gallon Hot Water Kit 10 Year Warranty
20 Tube 40 Gallon Thermosyphon Collectors
This non-pressure 20 Solar Evacuated Tube collector will efficiently create 40 gallons of free hot water per day. This system is the perfect size for a 1 or 2 person household and it can be used for various applications such as Domestic Hot Water and low-cost hot showers for large municipal and commercial pools. This system can be utilized in 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.
*Free Shipping on this product

How to size?
This system will provide hot water for 1-2 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.

How The Non-Pressure DIY Solar Water Heater Works:

How Non-Pressure DIY Thermosyphon Solar Water Heater Works


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


  • Number of tubes: 20
  • Tube Type: Direct flow
  • Tube Material: Borosilicate glass
  • Tube Length: 79
  • Gross Area: 32 sq ft
  • Dry weight: 265 lbs
  • Volume: 53 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

: 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

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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.

Evacuated Tube Collector DIY 40 Gallon Hot Water Kit 10 Year Warranty


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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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Silicon Solar
2917 St Hwy 7
Bainbridge, NY 13733

P: 1.800.786.0329

Contact Silicon Solar