I have a 2 story home with an upstairs bathroom. Every water outlet
(sink, bathtub, toilet) in this bathroom sputters and hisses when the
water is turned on. After a few seconds (20 - 30) it gets better but
continues to do it occasionally during use. The downstairs bathroom
does sputter occasionally, maybe once a month or so) but not often. I
haven't heard any "hammering" in the pipes. It would appear to be air
in the pipes but how does it get there? and how do I get rid of it?
Thanks for any help it will be greatly appreciated.
If the service pressure drops momentarily, air will
be sucked in at the highest level. Then sputter out
on the next use.
If this is a well pump, useage may draw pressure down
enough to cause it.
If city water, could be pressure drops at night or
during maintenance, or insufficient mains pressure/flow.
My guess is that it is air trapped in the water. If you are on a well, you
may have a slight leak before the pump. Also it is possible to just have air
in the water naturally. It could also be methane gas if you are on a well.
When the water sits in the pipes unused, the air seeks the highest point of
your system, the upstairs.
Check with a plumber, if all else fails you maybe able to get a air bleed
installed simular to what is used on boiler heating systems.
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