Traditional basin taps, or pillar taps, operate with two separate units for hot and cold water. Each tap has a valve system, typically using compression washers to create a seal and control water flow when the tap handle is turned. This design allows for independent control of hot and cold water, requiring manual mixing for temperature adjustment. Traditional taps are durable and easy... https://tapron.ie/blogs/news/how-does-a-traditional-basin-tap-work