Two bedrooms and a living room usually have several angle valves
Balcony: 1, wash basin: hot and cold water valve 2
Toilet: 1, washbasin: cold hot water valve 2; 2, toilet: cold water valve 1; 3, water heater: hot and cold water valve 2
Kitchen: 1, sink below: hot and cold water valve 2; 2, kitchen treasure: hot and cold water valve 2
