If your stop tap is passing the water is not isolated with the tap in the closed position you probably need to replace the washer.
Water main stop tap replacement.
The water main pipe in is black 25mm mdpe into a concoction of fittings to a 22m stop tap.
A stopcock sometimes called a stop tap controls the entire supply of mains fed water into your home.
Cold water tank drain cock draining down fit move radiators gate valve header expansion tank hot water cylinder immersion heater loft ball cock outside tap pcb radiator bleeding radiator flushing radiator removal re pressurise boiler trv thermocouple three way valve water main stopcock.
Be sure not to over tighten when closing as this can cause blockages or the inability to reopen the stop tap.
Get a quote for a new water connection now.
The tap is always on allowing water to enter as and when you need it.
The meter tap controls the water supply to your property although it s not a regular tap.
You ll find your meter tap next to your water meter.
Take off the stop tap lid and operate the tap.
Not reccomended using a full bore valve as your main incoming valve a stop tap should have a loose jumper washer with the internal seating in the tap body being machined with the water flow up over this in a good stop stops backflow hence the direction arrow on tap body.
The mains water stop tap outside the boundaries is sometimes share amongst other homes depending on the age of the house where newer properties have the own stop valve.
I have not had to replace any fittings on mdpe pipe before although i have done extensive work with copper fittings.
We ll replace your pipe with a pipe of the same diameter minimum 25mm.
But the stopcock lets you shut off the supply in an emergency such as a burst pipe or to carry out plumbing work.
You can turn it on and off but you can t connect a hose to the meter tap and you can t use it to fill a bucket.
Operating your external stop tap should be simple for you to do standard water fittings are all clockwise closing and anti clockwise opening.
If you also have a regular tap near your meter you can use it to access water.
Always be aware that the stop tap should never be mixed up with the gate valve or the isolation valve as these valve are completely for different uses.
A gravity or low pressure system when there is a tank in the loft that supplies the toilets and basins will have the mains stop tap that supplies water to the kitchen sink plus a stop tap coming out of the tank for the hot water flow and for the cold water flow too.
Usually there are two stopcocks for your home.