NEWS
When choosing a faucet, focus on the valve core to avoid leakage issues
- Date：2026-09-09
- Read：44
If a faucet leaks, drips frequently, or has fluctuating water temperature, many people opt to replace the entire unit. However, the issue often lies with the valve core. The repair industry advises learning how to identify a faulty valve core, as this helps avoid pitfalls when purchasing and enables early prevention of water leakage risks.
Currently, the mainstream type of household faucet is the ceramic valve core. According to national standards, qualified products must withstand 50,000 cycles of opening and closing without leakage. Inferior valve cores have low ceramic purity and rough polishing, leading to sealing failure within 1-2 years of use. In severe cases, the valve core may crack and cause water leakage, resulting in property damage.
The industry shares three simple identification methods:
The first is a tactile test. High-quality valve cores rotate smoothly with even damping, free from sticking or rattling noises, stopping water flow with a light twist. Inferior valve cores feel sluggish when turned, requiring forceful tightening to shut off the water.
The second is self-inspection at home. Continuous dripping after turning off the faucet, water leakage at the handle base, and fluctuating water temperature indicate that the valve core has worn out. In areas with hard water, scale and sediment can easily scratch the ceramic disc, accelerating the damage to the valve core.
Third, check the product information. Genuine products will indicate the valve core brand and specifications, and it is advisable to choose brands with a good reputation for valve cores. In contrast, low-cost unbranded products often come with inferior valve cores, posing greater risks.
The repairman advised against forcefully twisting the faucet handle to minimize wear on the valve core. If the valve core malfunctions, there's no need to replace the entire faucet—replacing just the valve core can achieve a cost-effective repair. When purchasing a faucet, don't focus solely on appearance; the quality of the valve core is the key factor.
Currently, the mainstream type of household faucet is the ceramic valve core. According to national standards, qualified products must withstand 50,000 cycles of opening and closing without leakage. Inferior valve cores have low ceramic purity and rough polishing, leading to sealing failure within 1-2 years of use. In severe cases, the valve core may crack and cause water leakage, resulting in property damage.
The industry shares three simple identification methods:
The first is a tactile test. High-quality valve cores rotate smoothly with even damping, free from sticking or rattling noises, stopping water flow with a light twist. Inferior valve cores feel sluggish when turned, requiring forceful tightening to shut off the water.
The second is self-inspection at home. Continuous dripping after turning off the faucet, water leakage at the handle base, and fluctuating water temperature indicate that the valve core has worn out. In areas with hard water, scale and sediment can easily scratch the ceramic disc, accelerating the damage to the valve core.
Third, check the product information. Genuine products will indicate the valve core brand and specifications, and it is advisable to choose brands with a good reputation for valve cores. In contrast, low-cost unbranded products often come with inferior valve cores, posing greater risks.
The repairman advised against forcefully twisting the faucet handle to minimize wear on the valve core. If the valve core malfunctions, there's no need to replace the entire faucet—replacing just the valve core can achieve a cost-effective repair. When purchasing a faucet, don't focus solely on appearance; the quality of the valve core is the key factor.
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