There are four water inlets on the main engine.
1 water inlet pipe,
No.2 receives wastewater,
Connect No.3 to the pressure drum,
Take out the No.4 faucet.
1998, A.O. Smith established its China headquarters in Nanjing. After 23 years' efforts, three super production R&D bases have been built, and a modern management system integrating R&D, production, sales and service has been established. Products span two major fields: household products include AI-LiNK professional cold, warm and feng shui integration system, water heater, central domestic hot water, heating stove, water purifier, cooker, central air conditioner, central domestic water purifier and air purifier, and commercial products include water heater, hot water boiler and water purifier. In the middle and high-end market of China, the share of core categories such as electric water heaters, gas water heaters, water purifiers and air purifiers has long been among the best in the industry.