The fall is the wastewater (black water and grey water) evacuation column. It can be unique or separate; each solution has its advantages and disadvantages. This post tells you everything.
How to Maintain Your Water Heater Keeping your water heater in good working order is the assurance of a good use of your appliance and savings on your energy bill. A water heater requires little maintenance, but it is important
Summary: Water supply in the bathroom: what to check Water supply in the bathroom: how to modify them Bathroom sewage disposal: what to check Getting the work done It is useless to have a nice tap or a nice shower