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Question:

What are the advantages and disadvantages of solar water heater?

What are the advantages and disadvantages of solar water heater?

Answer:

4, in addition to rainy days, solar water heaters do not need other costs,5, solar water heater safety is very high. Because there is no danger of electric shock or poisoning due to the absence of electricity or gas.
In the summer of 4, sunny weather conditions, less than two days water temperature can reach the boiling point, if a long time without water, such as travel, tourism, to make the water a long time at high temperature and high pressure condition, will accelerate the aging of the sealing ring, accelerated aging, polyurethane shrink, sometimes the exhaust is not smooth, too much pressure the water tank will swell bad, will shorten the life of furring, water tank. Therefore, if you are not at home for a long time, you should arrange for others to put hot water on the cold water, or put a cover on the vacuum tube collector to block the sun.
Disadvantages of solar water heater:1, the initial investment.2, solar water heater installation position requirements are very strict.3, solar water heater for several days without water are generally more hot water, more than 70 DEG C, especially in summer weather more than 2 days, the water will boil, to be properly cooling at night, keep the water temperature at 60 to 70 DEG C. region for a long time, and this area is water temperature excellent temperature of the bacteria, so several days or without water, poor water quality, bacteria, to be discharged, can not take a bath or used for boiling water drinking.
Advantages of solar water heaters:1, solar energy efficient and save money, will not pollute the environment.2, solar water heater service life is very long, reasonable use, its life can be as long as 15 years.

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