Try adding more teflon packing or replacing the existing packing entirely. A leaking main water valve can be more than just an inconvenience In all likelihood this will stpe the annoyuing slow leaking
plumbing - Main water valve leaking - Home Improvement Stack Exchange
If not, yes, close the valve fully, then remove the handle and the 'packing nut' or 'gland nut' and takle to local plumbing store to pick up new packing.
This usually happens on a globe style water shutoff valve
I will walk you through 3 different fixes which will start easy and progress in complexity. Don't panic if you get a little leak when opening or closing a water shutoff valve under a sink or toilet or in your basement You can usually fix it in minutes with the turn of a wrench. Find out why your main water shut off valve is leaking and learn how to fix it
Don't let a leaking valve cause further damage to your plumbing system. For homeowners, handling a leaky main water valve can be a difficult problem If left untreated, it can result in expensive repairs in addition to possible structural problems and water damage In this article, we'll discuss some helpful tips for handling a leaking main water valve and how to mitigate water damage with professional water damage cleanup springfiel d.
Over time, though, this packing material can form a solid seal because it hardens or disintegrates, which causes the valve to leak.
The shutoff valves located under the sink or behind the toilets are rarely turned on or off over the years Corrosion in the valve corrosion is a common cause of a leaky water valve
