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28 Aug 2001 at 12:55 pm
#291446
fourth year
Participant
Not sure what a “loose jumper cock” is, but sounds like it might be hard to keep track of. If the unit has a main shut off, it is usually a gate/ball valve. It may be in a water heater room or under a sink, and occassionally outdoors. If there is no central shut-off then each fixture, including the tub/shower valve, has its own shut-off.