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.
Cost to Replace a Hot Water Heater. Updated: August 2017. For a basic project in zip code 47474 with 1 heater, the cost to Replace a Hot Water Heater starts at $1,170 - $1,365 per heater. Because job specific configurations and options will result in significantly different costs, homewyse uses industry-standard algorithms and professionally screened cost data to create estimates customized to the specific options of YOUR hot water heater replacement project.