harold1946 wrote:
When water freezes it expands, applying pressure equally in all directions.
Once more than then I quit.
My "credibility" suffers only in YOUR mind and somehow that doesn't concern me much.
Freezing water exerts equal pressure in all directions ***ONLY*** if there is not room for expansion in one or two directions, that is, if it is in a confined space.
Water pipes break most often because of the hydraulic pressure exerted after an ice blockage occurs and THEN it continues to freeze in the direction where there is no outlet for the pressure......most often downstream from the initial freeze point.
A charged battery does not freeze until about -70F so anyone with a frozen battery has neglected it before that time.
I never said that one should not "winterize" if the conditions warrant it.
I did remember later that my folks poured antifreeze in the P-traps. I assume that is because the pipes were thin and never designed to hold ANY pressure at all.
