Teflon Packing Cord: https://geni.us/5ko6N
Flat Washer Assortment Pack: https://geni.us/XdeI
All My Recommended DIYFriendly Tools https://geni.us/VYIp51

I have ran across this issue on a number of my rental properties and renovation project where the main water shutoff will not stop leaking water. 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. Time stamps for each step are listed below along with the links to the parts used.

Chapters
0:00 Introduction
0:52 Step 1: Tighten the Packing Nut
1:51 Step 2: Adding New Teflon Packing Cord
8:43 Step 3: Disassembly and New Flat Washer
13:57 Closing Remarks and Additional Points

DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I’ll receive a small commission.