Advanced Solar Vacuum Tube Hot Water Heating System

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Product Description

Basic Information
Model NO.PFSLD-300/28-5818-P
Max. Capacity>200L
StructureCompact Type
PressurePressurized
Interior MaterialStainless Steel
Collector ComponentsGlass Vacuum Tube
CompositionTank Insulation
CertificationCE, ISO9001, CCC, Epr
Outer TankColor Galvanized Steel
Inner TankStainless Steel 304
Insulation50mm Polyurethane Foam
FrameGalvanized Steel, Stainless Steel, Aluminum Alloy
Power SourceSolar
Backup SourceGas Boiler, Electricity
HS Code8419120000
Product Description

Solar heating vacuum tube hot water heater for home appliance

Solar Vacuum Tube Hot Water Heating System

Our pump-free household solar water heater features an open water tank for heat storage and a closed coil for heat exchange. Utilizing advanced 20-second rapid heat exchange technology, hot water is quickly ready for use while maintaining fresh water quality. The hot water pressure is derived from municipal cold water pressure, ensuring a stable temperature without sudden fluctuations.

  • Maintenance-friendly flange connections for safety and convenience.
  • Modular design allowing tank expansion for large water consumption needs.
  • Rapid 20-second heating via stainless steel bellows heat exchanger.
  • Fresh water quality suitable for kitchen and domestic use.
  • Seamless integration with electric heaters, gas boilers, or heat pumps.
Technical Specifications
Product Technical Details
Product Name300L Vacuum tube solar water heater
Collector Tube SizeΦ58mm outer diameter * 1800mm length
Inner Tank Material0.5mm SUS304 stainless steel
Heat Exchanger304 stainless steel, Φ25-32mm
Number of Tubes28 sticks
Aperture Area4.2m²
Total Water Capacity300L
Min. Temperature-40ºC
Electric HeatingOption (1500W, 220V/110V)
Key Advantages
Advantage 1
Advantage 2
Advantage 3
Product Application
Solar System Application
Manufacturing & Quality
Factory Overview
Production Line
Certifications & Feedback
Certificates
Global Visits
Customer Feedback
Frequently Asked Questions
Q1: How does the 20-second rapid heat exchange work?
The system utilizes a high-efficiency stainless steel bellows heat exchanger. As cold water flows through the coil inside the hot storage tank, it absorbs heat instantly, providing hot water in about 20 seconds.
Q2: Can this solar water heater be used in extremely cold climates?
Yes, the system is designed to operate in temperatures as low as -40ºC, making it suitable for high-latitude regions and winter conditions.
Q3: Is the water pressure sufficient for multiple showers?
Since the hot water pressure comes directly from your municipal cold water line, it provides a "pressurized" experience identical to your tap water, supporting multiple usage points simultaneously.
Q4: Does the water quality remain fresh for kitchen use?
Yes. Unlike traditional systems where water sits in a tank, our system uses a heat exchange coil. The water you use is fresh municipal water passing through the coil, preventing scale and bacterial buildup.
Q5: Can it be combined with my existing gas or electric heater?
Absolutely. This system can act as a pre-heating unit that integrates perfectly with conventional gas boilers, electric water heaters, and air source heat pumps to save energy.
Q6: What maintenance is required for the modular tank?
The tank features a flange connection design, allowing the end cover to be opened easily for internal cleaning or maintenance at any time, ensuring a long service life.
Solar FAQ Illustration

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