1 Expect to pay an additional $200-$800 or more to remove existing tile and repair any damaged areas underneath, for a total of $1,000-$5,000 or more for a typical bathroom (5'x7' to 10'x10'). 2  For details see, How Much Does a Tile Floor Cost. For details see, How Much Does a Tile Floor Cost. 2  Retiling around a bathtub or inside a shower enclosure can cost $800-$2,500 or more, depending on the type of tiles, total square footage, the amount of repairs needed, any special pattern or border, and local labor rates.
1 Answer from this member: Unless you are very experienced on replacing water heater elements, Yes, I strongly recommend draining the tank first. Otherwise, it could cause a lot of damage. To drain the tank, be sure to turn the breaker and supply water valve off and open any hot water tap in the house.
If expansion tank has to be replaced, follow the steps below: Turn off your heater and let the hot water cools. Shut off the cold water supply to the heater. If you have to drain a system, do so.Unscrew the old heater expansion tank. Put the new expansion unit on the same spot.Use Teflon and pipe wrench to securely tight the unit.Turn the water on and check for leaking.urn off your heater and let the hot water cools. Shut off the cold water supply to the heater. If you have to drain a system, do so. Unscrew the old heater expansion tank. Put the new expansion unit on the same spot. Use Teflon and pipe wrench to securely tight the unit. Turn the water on and check for leaking.