The overflow pipe can be seen clearly in the top left of the picture below. These overflow pipes are also called warning pipes and the end must be placed where any discharge can be seen clearly. If anything should go wrong with this valve, overflow pipes are fitted to water tanks and cisterns to allow water to flow out before reaching a level where they could overflow the tank. These valves are dealt with in greater detail further on in the project. When the float rises, it lifts the arm which closes the valve and stops water entering. The valve operates using a plastic (sometimes metal) ball which floats on the surface of the water, this is attached to an arm which is in turn attached to the valve mechanism. The water going into the storage tank is controlled by a float valve. The lid must not however, make the cold water tank or cistern airtight.Ĭold water tank and cistern in roof space Regulations state that the cold water tank and indeed the cistern must have a close fitting lid to ensure that the water in these tanks or cisterns cannot be contaminated accidentally. ( click here for diagram of water systems)
From there it is distributed around the house.
This direction is done using a T fitting with the other outlet of the T taking the water to a cold water tank in the loft.
#Crack open a cold one tank full#
This water is then directed to one or two of the downstairs taps where it is at full mains pressure. In the majority of homes, cold water enters the building via a rising main.
0 kommentar(er)
