The first inequality means that the distance between x and c is greater than 0 and that x â  c, while the second indicates that x is within distance Î´ of c. Note that the above definition of a limit is true even if f(c) â  L. Indeed, the function f need not even be defined at c.
Once inside a hot water heater, however, Legionella bacteria multiplies and is conveyed through the household plumbing, where it may be inhaled in the aerosol mist that accompanies showering, bathing or even washing dishes in a sink. Very young children and elderly people are particularly at risk.
It could be from a number of reasons. Normally, hot water pressure out is determined by the pressure of the cold water going in, of course. However, excess floating scale and debris from the inside of the water heater could have clogged the various hot water sides of faucets, washing machine mixing valve, etc. Usually, you can hear this debris bubbling when the heater is on.