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 typical cost to replace a water heater runs from $874 to $1,765, with a national average of $1,293. Cost factors for water heater replacement include the water heater type, size, fuel type, brand, ...

When replacing a water heater, most plumbers replace what is there with something similar and never present the customer with options. Customers are ill-served by plumbers who fail to provide choices.