The Comparison between Compact Non Pressure & High Pressure Solar Water Heater
1. It is open loop system, inner tank basically is 0.31~1.0mm
thickness, majority are 0.31/0.38/0.45mm thickness, while, high
pressure solar water is closed loop solar water heater, with inner
tank range from 1.0mm to 1.5mm thickness.
2. Non pressure solar water heater bear lower pressure, Max. 0.05MPA, while, high pressure solar water heater can bear 0.8M.
3.There are copper heat pipe inside each vacuum tubes, work as
heat exchanger, thus, there is NO water inside each vacuum tubes, even if one of the vacuum tube broke down, the system will keep on
working, while, for non pressure solar water heater, there is water
inside each tubes, if one vacuum tube beak down, all the water will
leak out, system will not work.
4. Due to copper heat pipe with superior anti-freezing performance,
it can well work under - 35~ -40 degree ambient, thus, no need to
2
worry about frozen problem in winter, while, for non pressure solar
water heater, due to water will fill inside each vacuum tubes, when
temperature is lower than - 5 degree, tube will burst.
5. Compact heat pipe is closed loop system, with less energy loss, and copper heat pipe with high efficiency, thus, compact high
pressure is more efficiency than non pressure solar water heater.
6. Due to inner tank of high pressure system is much thicker and
each vacuum tubes are well configured with copper heat pipe, thus,
lead to high cost, compared with high pressure solar water heater, non pressure solar system is affordable.
In conclusion, world widely, non pressure is the biggest quantity selling system, due to it is simple & easy for maintenance,cost effective in price, it enjoy a great market, but some unexperienced installation might caused the system cannot work well or reduce the lifetime. Meanwhile,for region with good purchasing power and harsh & long winter region, high pressure solar system is a premium choice,it install anywhere any position, and come out with big pressure, take a such shower after a hard work day is a amazing thing. Nowadays,the pressure system is going to be popular.
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| Copper TU1 condensor |
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| Heat pipe transfer the heat to Water in the tank |
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| The Solar heater is working under the good sun |
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| How the heat pipe condensor transfer the heat to tank |
The advantages of a non-pressure solar water heater and a high-pressure solar water heater can be understood by considering their specific characteristics and applications:
Non-Pressure Solar Water Heater:
A non-pressure solar water heater, also known as a low-pressure solar water heater, operates at atmospheric pressure and is typically used in situations where a pressurized water supply is not required. Here are some advantages of a non-pressure solar water heater:
a. Simplicity and Cost-effectiveness: Non-pressure solar water heaters are relatively simple in design and do not require additional components like pressure valves or expansion tanks. This simplicity makes them cost-effective compared to high-pressure systems.
b. Safety: Non-pressure solar water heaters are considered safer because they operate at atmospheric pressure, reducing the risk of accidents or leaks due to high pressure.
c. Suitable for Soft Water Areas: Non-pressure solar water heaters are suitable for areas with soft water, as they do not require specialized anti-scaling measures. Soft water areas have lower mineral content, reducing the risk of scale formation on the solar collector.
d. Maintenance: Non-pressure solar water heaters generally require less maintenance due to their simpler design and absence of pressure-related components.
High-Pressure Solar Water Heater:
A high-pressure solar water heater is designed to deliver pressurized hot water, making it suitable for applications where a strong water flow or compatibility with existing high-pressure plumbing systems is desired. Here are some advantages of a high-pressure solar water heater:
a. Strong Water Flow: High-pressure solar water heaters provide a strong water flow, making them suitable for applications where a high flow rate is required, such as multiple bathrooms or commercial establishments.
b. Compatibility with Existing Plumbing: If you have an existing high-pressure plumbing system in your building, a high-pressure solar water heater can easily integrate with it, ensuring compatibility and convenience.
c. Flexibility in Installation: High-pressure solar water heaters offer more installation flexibility since they can be installed in various locations, including basements or other areas where water needs to be pumped to higher levels.
d. Suitable for Hard Water Areas: High-pressure solar water heaters can handle hard water with higher mineral content. They often include features to prevent scale formation, such as sacrificial anodes or specialized coatings.
It's important to consider your specific requirements, water quality, existing plumbing system, and budget when choosing between a non-pressure solar water heater and a high-pressure solar water heater. Consulting with a solar water heater professional can help you determine the most suitable option for your needs.
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