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Posted to pdaxs.services.plumbing,alt.home.repair,misc.consumers.house,misc.consumers.frugal-living
John Weiss John Weiss is offline
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Default Strange behavior with the toilet

wrote...
I closed the intake valve and went away for a few days.

When I came back the water in the bowl was down once again.
But, the water in the tank had not moved.

I live in a townhouse with a flat roof,

Does it make sense that it would be vent pressure
sucking the water out?



Yes, wind across the vent could do that.