The V-Guard Solar Water Heater Win Hot Plus 500 LPD with 500 liters capacity comes with 33 evacuated tubes, which is a good number of tubes for a solar water heater of this size. The evacuated tubes are designed to absorb solar energy and convert it into heat, which is then used to heat the water in the tank.

With a capacity of 500 liters, this solar water heater can provide hot water for a significant number of people, and according to the manufacturer's specifications, it can be suitable for around 14 to 15 people.