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Home > Pre-built Replacement Coils > Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)
Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)
Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)
Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)
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Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)
Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)
Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)

Pre-Heated Vacuum Tube High Pressure Solar Water Heater with Copper Coil (CPH-58)

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Product Description

📋 Basic Specifications
Model NO.
CPH-58
Structure
Compact Type
Pressure
Pressurized
Interior Material
Stainless Steel
Collector
Glass Vacuum Tube
Certification
CE, ISO9001, CCC
Heat Preservation
72 hours
Inner Tank
SUS304, SUS316
Copper Coil
Customized (24m-40m)
Max Pressure
0.6 Mpa / 6 bar
☀ Fresh Water Solar Boiler System

Fresh Water Evacuated Tube Solar Boiler - Pre-heated Coil High Pressurized System

✔ Fresh Water Supply: Hot water from heat exchanger ensures you always have fresh water, as the storage tank water is not used directly.
✔ High Pressure: Provides a comfortable pressurized shower experience.
✔ Durable Design: Strong wind, snow, and hailstone resistant structure.
✔ Certified Quality: Meets Europe Solar Keymark EN12976, CE, CCC, and ISO standards.
⚙ Working Principle
  1. Vacuum tubes absorb solar energy to heat the water in the storage tank.
  2. A copper coil heat exchanger is installed inside the water tank.
  3. The water tank acts as a thermal energy source.
  4. As cold water flows through the copper coil, it absorbs heat from the surrounding tank water, providing instant hot water.
Working Principle
📸 Detailed Product Photos
Detailed Solar Heater Photo
Parameters Diagram
📊 Technical Parameters
Specification Details
Capacity Range150 Liter - 500 Liter
Heat ExchangerCopper coil or Stainless steel coil
Outer Tank MaterialGalvanized steel / SUS201 / SUS304-BA
Inner Tank Material0.4mm SUS304-2B or SUS316 Stainless Steel
Insulation Layer50/55mm high-density polyurethane foamed
Solar Collector TubeBorosilicate glass 3.3 with AL/AL-ALN coating
Inlet/Outlet HoleMale 1/2" or 3/4"
Bracket MaterialStainless steel / Aluminum alloy / Galvanized steel
Electric Heater (Optional)1500W/2500W/3000W; 220V/110V
Technical Specs
🔧 Installation & Quality

Suitable for both Flat roofs and Pitched roofs:

Installation Guide
QC 1 QC 2 QC 3
❓ Frequently Asked Questions
1. Is solar water heating a viable alternative to gas or electricity?
Solar should be seen as a supplement. While it can provide 60%-70% of a household's hot water needs annually, a backup system is recommended for days with little sunlight to guarantee hot water supply.
2. Will water be heated on a cloudy day?
Yes. Although heat output is reduced on overcast days, the collector still provides heating. On heavily clouded or rainy days, an electric booster may be used to maintain temperature.
3. Can the solar collectors be used in cold conditions?
Yes, our collectors can operate in temperatures as low as -30°C, though efficiency is reduced in extreme cold. Good output is still achieved in mild sub-zero conditions.
4. What happens if one of the tubes is broken?
Vacuum tubes are strong but easily replaceable if broken. The system can still operate with several broken tubes, though efficiency will decrease, so immediate replacement is recommended.
5. Can I use a solar collector with my existing hot water system?
Normally yes. Retrofit valves can often connect solar to your existing inlet. Alternatively, an additional storage tank can pre-heat water before it enters your existing system.
6. How do I protect the system during subzero temperatures?
Freeze protection can be implemented via a controller that circulates water when manifold temperatures drop below 5°C. In extremely cold climates, a closed-loop glycol mix may be appropriate.

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