300L Pressurized Flat Plate SUS316L Solar Water
300L Pressurized Flat Plate SUS316L Solar Water
300L Pressurized Flat Plate SUS316L Solar Water
300L Pressurized Flat Plate SUS316L Solar Water
300L Pressurized Flat Plate SUS316L Solar Water
300L Pressurized Flat Plate SUS316L Solar Water
300L Pressurized Flat Plate SUS316L Solar Water

Pressurized Flat Plate Solar Water Heater

Pressurized Flat Plate SUS316L Solar Water Heater, a reliable and efficient solution for both commercial and household hot water needs. Built using durable and corrosion-resistant stainless steel materials (SUS316L inner tank), this high-performance system ensures long-term usage even under varying environmental conditions. With a 0.6MPa pressure tolerance, it is compatible with direct city water supply systems.

  • Provides enough hot water for 6 to 8 users.
  • Optional electric heater for backup in cloudy or low-sun conditions.
  • Simple structure for easy installation and maintenance.
  • Built with top-tier materials ensuring longevity and hygiene.
  • Compatible with direct city water connection.
Description
Technical Data
More Details
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Description

Product Description

Sunrain Compact Pressure Flat Panel Solar Water Heater.

1). Top quality product with 3 years warranty.
2). Flat panel solar water heater can supply enough hot water for 6 to 8 people.
3). Simple structure, simple for installation, simple for maintenance.
4). Test pressure 10 Bar, operating pressure 6 Bar, water heater can be connected directed with city water.
5). Optional electric heater back up: 1.5KW or 2.4KW.
6). Solar water heater inlet and outlet size: 3/4inch.
7). Inner tank material: SUS316L-1.2mm thickness.
8). Branding: Sunrain or OEM.
 

Working principle

 
compact pressure flat panel solar water heater relies on the natural circulation of the water between flat panel and the water tank. Thermosyphon systems work on the principle of heat rising. The water enters the bottom of the flat panel and rises to the tank as it warms. The advantage of this system is that solar heat is stored in a well-insulated tank, so hot water can be used at any time without the penalty of overnight losses. Moreover, the insulation of the tank can protect heat for 72 hours without heat loss.
Specification
Model:
FPC-150L
FPC-200L
FPC-300L
Volume:
150L
200L
300L
Material of inner tank:
1.2mm SUS316L
Material of outer tank:
0.4mm Powder coated & UV resistant steel
Material of insulation:
40mm Polyurethane
Electric resistance:
1500W or 2400W, 220V
Working pressure:
Working pressure: ≤ 6 bar
Max testing pressure:
10 bar
Size of pipe connection:
G 3/4”
Material of frame:
Coated galvanized sheet
Angle of frame:
20°
Flat panel and gross area:
1*2=2m²
1*2.5=2.5m²
2*2=4m²
20GP/40GP/40HC Loading Qty:
36/75/88
30/62/73
19/40/48

Production process

Six steps of production process.

1). First, copper pipes are cut into different length.
2). Second, pipes are welded.
3). Third, leakage testing.
4). Fourth, frame making.
5). Fifth, connected to high efficiency absorber.
6). Finally, all parts assembled, packed.
Technical Data

Attribute Specification
Type Flat-Plate
Circulation Type Indirect / Closed Loop (Active)
Tank Capacity 300L
Application Hotel, Garage, Commercial, Household
Power Source Solar, Electric, Battery
Control Not App-Controlled
Place of Origin Jiangsu, China
Warranty 3 Years
After-sales Service Free Spare Parts
Installation Type Freestanding
Connection Type Direct-Plug

Wide Application

We can supply complete plumbing fittings for you installation, 3D design, easy for installation.
300L Pressurized Flat Plate SUS316L Solar Water   
 

The solar water heater can be installed for both flat roof and pitch roof:

Pictures of our customer installations:

Rooftop All Stainless Steel Mexico Anti-corrosion
 

 

More Details

Packaging and Delivery

300L Pressurized Flat Plate SUS316L Solar Water   

  • Packaging:

    • LCL: Carton box + plywood case

    • FCL: Carton only

  • Port of Shipment: Lianyungang

  • Single Unit Package Size: 250 x 60 x 60 cm

  • Gross Weight: 198 kg

Production & Supply

  • Monthly Capacity: 5000 Sets

  • Customization Available (Minimum Order: 100 Sets):

    • Customized Logo

    • Customized Packaging

    • Graphic Customization

Lead Time Estimate

Quantity Lead Time
1 – 100 sets 15 days
101 – 500 sets 25 days
> 500 sets Negotiable

Container Loading Capacity

Model 20GP 40GP 40HC
FPC-150L 36 75 88
FPC-200L 30 62 73
FPC-300L 19 40 48

300L Pressurized Flat Plate SUS316L Solar Water

300L Pressurized Flat Plate SUS316L Solar Water

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Pressurized Flat Plate Solar Water Heater

SUNECO Solar Technology delivers high-performance solar water heating solutions tailored for residential, commercial, and industrial applications. With around-the-clock global support and a dedicated team, SUNECO ensures each system—from solar collectors to complete flat plate solar water heaters—is engineered for durability, energy efficiency, and long-term reliability. Every order is closely monitored from production to delivery, guaranteeing consistent quality and customer satisfaction.Specializing in advanced solar collectors and flat plate systems, SUNECO offers personalized solutions to meet specific installation needs. Whether it’s a solar water heater for home use or a custom thermal setup for a commercial facility,