On Sun, 05 Dec 2004 14:11:16 -0800, Abe wrote:

Assuming you can turn off the water into the water heater, there is no
reason to have to turn off the main.

except to turn off the cold water?
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I think he said he's got a cold water shutoff by the washer.


For the cold supply line, the only valve between the washer
valve and the supply line for my house is a shutoff that will shut the
water off to the entire house.

which will obviously shut off the hot as well.