The following faults may occur in the water pipe of the warm air tank during use:

1. Leakage: The joint of the water pipe of the heater tank may leak due to long-term use or weak connection. Leakage may be caused by loose joints, aging sealing rings or broken water pipes. Leakage will lead to the loss of hot water or coolant, affect the normal operation of the heating system, and may even cause temperature instability or water leakage in the car.

2. Blockage: The inside of the water pipe of the warm air tank may be blocked due to deposits, dirt or air bubbles. Blockage will cause hot water or coolant not to flow smoothly, affect the heating effect of the heating system, and may even cause the heating system to malfunction.

3. Rupture: The water pipe of the heater tank may be broken due to external impact, overheating or aging. Rupture may lead to hot water or coolant leakage, affect the normal operation of the heating system, and may cause damage to other components.

4. Corrosion: The water pipe of the warm air tank may be affected by corrosive substances in cooling liquid or hot water, resulting in corrosion of the metal parts of the water pipe. Corrosion will reduce the wall thickness of water pipes and increase the risk of rupture.

5. Aging: The water pipe of the warm air tank may age due to long-term use or environmental factors. Aging will reduce the elasticity and durability of water pipes and increase the risk of leakage and rupture.

In order to avoid the failure of the water pipe of the warm air tank, regular inspection and maintenance are necessary. This includes checking whether the joints of water pipes are tight, checking whether there is any blockage inside the water pipes, replacing the seriously aging water pipes regularly, and using high-quality coolant or hot water. In addition, avoiding external impact and using corrosive coolant or hot water are also helpful to prolong the service life of the water pipe of the warm air tank.