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.
Hot Water Temperature is Too Low - What to Do When the Hot Water is Not Hot Enough: 1  First Check the Water Heater Temperature Settings. 2  Check for long runs of un-insulated hot water piping. 3  Check for a leaky or bad water heater tank dip tube.  Check for a burned out electric water heater heating element.