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50-500 liter low pressure evacuated tube solar hot water heating system

50-500 liter low pressure evacuated tube solar hot water heating system

The Cheapest Price& Highest Efficiency type solar water heater.
colourful optional outer tank and bracket, food grade SUS304-2B Inner tank.

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The Cheapest Price& Highest Efficiency type solar water heater.
colourful optional outer tank and bracket, food grade SUS304-2B Inner tank.

50 liter - 500 liter Automatically Low pressure evacuated tube solar water heater with assistant tank

The most affordable and high-efficiency vacuum tube solar water heater. With its SUS304-2B food grade inner tank and a variety of color options for the exterior, it offers the perfect solution for basic household hot water needs. Experience the unbeatable combination of quality and performance as our vacuum tube system ensures optimal heat absorption and energy efficiency. Say goodbye to soaring bills and embrace this eco-friendly solution to meet all your domestic hot water requirements. Choose our vacuum tube solar water heater today and start enjoying significant savings on your energy expenses.

Quickly guidance

  • Free brand/LOGO print based on 20GP/40HQ quantity

  • 1% free spare parts

  • our factory audited by SGS, TUV and BV

  • Sea Port: Shanghai or Ningbo

  • Payment terms: T/T, L/C, Western Union

  • Delivery time: 12-20days after deposit in account

  • Certificate: Europe Solar Keymark EN12976/CE/CCC/ISO9001/ISO14001/ ISO45001


Work Principle

Through a thermo-siphon effect (in which hot water rises), hot water circulates between the collectors and the water tank while there is sun and is stored at the end of the day in an insulated tank.


Product Features

  • Higher efficiency than Flat plate solar water heater

  • Operated completely automatic if connect with intelligent controller.

  • Simple structure, easy plug-in installation, can be installed both on flat and inclined roof.

  • Hot water every day, with an auxiliary built-in electric heater as back up power.

  • 72 hours heat preservation ensured by one-off molding polyurethane foam with thickness 55mm.

  • Food grade SUS304-2B stainless steel inner tank, meet the mankind healthy bath standard.

  • Eco-friendly and energy saving product.

  • Stable and reliable performance, well wind resistance.

  • Widely used in Europe, North America, Mexico, South Africa market.

  • More than 10 years life time


Product Parameters




Product Suitable both flat roof, slope roof and ground