But with the increasing popularity of air-to-water heat pumps, various hidden dangers have started to emerge. People are now beginning to question the reliability and quality of these water heaters. Among the most frequently reported issues by consumers is the problem of tank corrosion and scale buildup. In fact, this issue is closely related to the geographical conditions in many parts of our country. A significant number of regions suffer from saline-alkali soil or are located near the coast, where the chloride ion content in the water is relatively high. This leads to serious corrosion and even perforation of copper pipes, ultimately resulting in product failure.
As a relatively new technology, air-to-water heat pumps still face challenges in consumer education and after-sales service. This lack of awareness and support has caused confusion and dissatisfaction among users. So, how can we address the corrosion problem of heat pump water heaters?
First, it's important to determine whether the local water contains chloride or sulfate ions. A simple way to check is by observing the water—if there's no moss growth, it may indicate high chloride levels. Second, corrosion usually occurs at the welding points. If the welding isn't done evenly or if it's exposed to oxidation during the process, it becomes highly susceptible to corrosion. Using gold-coated or stainless steel welds can help prevent this issue.
When problems arise with the product, the first step should be to contact the seller immediately, so that losses can be minimized. At the same time, manufacturers should proactively identify common issues and provide clear solutions to consumers. This not only improves customer satisfaction but also helps build trust in this emerging technology.
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