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300liter Flat panel pressure thermosiphon solar water heater

300liter Flat plate pressurized solar water heater is a domestic thermosiphon solar hot water system with flat plate solar thermal collector. Solar water tank capacity is 300liter suitable for a family of 6 people. It is popular in South Africa, East Africa, Middle East , South Europe and Australia.
 
Thermosiphon high pressure flat panel solar water heater, solar geyser adopts simple thermal circulation, cold water heated by flat plate solar collectors, then hot water go up to tank, cold water in tank flow into solar collectors, cold and hot water form a natural circulation called thermosyphon, the whole tank water will become hot gradually.
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  • RNE-PFC-300

  • SOLARAVEN

  • 84191200

Overview


The Pressurized Solar Water Heater is an advanced renewable energy solution designed to provide reliable and efficient hot water for residential, commercial, and industrial applications. Utilizing high-efficiency evacuated tube or flat plate collectors, this system converts solar energy into thermal energy, stored in a pressurized tank for on-demand use. Built with corrosion-resistant materials and a closed-loop circulation mechanism, it ensures consistent performance even in fluctuating weather conditions. Ideal for regions with moderate to high solar exposure, this heater reduces energy costs by up to 80% while minimizing carbon footprints.


Features


1. High-Efficiency Collectors: Advanced vacuum tubes or selective coating flat plates maximize heat absorption.

2. Pressurized Stainless Steel Tank: Withstands up to 6 bar pressure, compatible with existing plumbing systems.

3. Intelligent Control System: Auto-adjusts water flow and temperature; includes anti-freeze and overheat protection.

4. Durable Construction: Aluminum frame, tempered glass, and anti-corrosion coatings ensure a 15+ year lifespan.

5. Easy Installation: Modular design adapts to rooftops, ground mounts, or integrated solar thermal systems.

6. Low Maintenance: Self-cleaning tubes and minimal moving parts reduce upkeep requirements.


Applications


· Residential: Supplies hot water for showers, kitchens, and heating systems in homes.

· Hotels & Resorts: Meets high-demand hot water needs sustainably.

· Hospitals & Schools: Ensures hygienic water supply for large facilities.

· Industrial Processes: Supports pre-heating in manufacturing, laundries, or food processing.


FAQ


1. Q: Does it work in cloudy or cold climates?

A: Yes, vacuum tubes absorb diffuse sunlight, and anti-freeze fluid prevents freezing.

2. Q: How long does installation take?

A: Typically 1-2 days, depending on system size and site conditions.

3. Q: Can it integrate with existing water heaters?

A: Yes, it can function as a primary or supplementary heat source.

4. Q: What is the payback period?

A: Most users recover costs through energy savings within 3-5 years.


Pressurized Solar Water Heater


FLAT PLATE THERMOSIPHON SOLAR  WATER HEATER

MODEL NO.

RNE-PFC-150

RNE-PFC-200

RNE-PFC-300

RNE-PFC-400

Presurized Water   Storage Tank

Capcity of Tank

150L

200L

300L

400L

Water Tank Type

Pressurized   Solar Water Tank

Material of   Outer Tank

Galvanized steel   0.4mm

Material of   Inner Tank

1.2mm Stainaless   steel , or 2.0mm enamel steel

Thermal   Insulation

Polyurethane*50mm

Joint of Water   Tank

3/4"

Circulation Pipe   Joint

3/4"

Max Working   Pressure

0.7Mpa

Electrical   heating element

220V 3KW , OR   110V 3KW

Testing Pressure

1.2Mpa

Flat Panel Solar   Collector

Solar Collector   Model

80D

Collector   Dimension(L*W*T)

2000*1000*80mm

2000*1250*80mm

2000*1000*80mm,2pcs

2000*1000*80mm,3pcs

Header Pipe   Material&Qty.

Copper TP2,φ22mm   (2 pipes)

Riser Pipe   Material&Qty.

Copper TP2,φ10mm   (9 pipes)

Cover Material

3.2mm Low Iron   Tempered Glass;Transmittance≥91%

Coating

【BLUE SPUTTERING (BLUETEC) High selective blue titanium   coating】

Insulation   Material

High Density   Rock Wool 40mm

Absorptivity

95%

Emissivity

5%

Max Working   Pressure

0.7Mpa

Material of   Frame

Aluminum Alloy   6033,1.0mm

Material of Back   Plate

Galvanized Steel

Bracket (Stand   Frame)

Bracket Type

INCLINED ROOF OR   FLAT ROOF NOUNTED

Material

Galvanized Steel   1.5mm (AL ALLOY OPTIONAL)

Warranty

5years


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