ATM cards spread relatively quickly. 1  Since the cards were used in public, others who did not yet hold the cards could see how convenient they were. Although some people were concerned about security, the convenience factors seemed to be a decisive factor in the âtug-of-warâ for and against adoption.
The first step is shutting off the main water valve is to locate it. In colder climates, you can usually find the main water shut-off valve in the basement or inside a closet in a front room of the house. Sometimes, builders will hide it behind a removable panel.
Most water heaters will have a valve located above the water heater (by code they are required to be here) that will shut off the water supply. This valve will either have a handle that you have to pull down, or a gate valve (essentially a dial) that you will have to turn clockwise to close.