Q: I had to turn off the water supply valve at the top of my water heater. So I turned it, but it kept on turning and turning without shutting off the water. A neighbor of mine said it is a gate valve ...
The plumber installing the water heater fabricates a 3/4 inch copper line from the top of the tank, where the pressure relief valve is usually located, over to the sump pit. My combination oil furnace ...