shower heads, and water-using appliances. However, as the water heater ages, it becomes less efficient and may start to show ...

The shower head is marked 5400 watts — basic math ... how much power it should take to heat up water in an instant water heater arrangement like this. It was interesting to watch him measure ...

Other items that affect water pressures at the showerhead are the volume valves found on shower heads with single controls. All 1.5 GPM showerheads that impose flow restrictions are not designed ...