Noisy kitchen sink drain
RusPC wrote:
Our washer in the basement discharges into twin wash tubs. When this happens we hear loud gurgling in the sink drain upstairs in the kitchen. They share a common drain pipe to the sewer line. Any suggestions about what can be done to stop the noise? Russ Now this one *is* a venting problem:-) Either the wash tubs were tapped in improperly or the vent for the kitchen sink is blocked. Without a working vent, the flow of water from the tubs creates a vacuum which tries to suck the water out of the kitchen trap. It's even possible that there never was any vent; this type of connection was common in some parts of the country for kitchen sinks. The best (easiest) fix in this situation may turn out to be the addition of a mechanical vent just downstream of the kitchen trap. How you do that depends on the layout, etc. Here's one: http://www.studor.com/index.htm Mo http://www.plumbingsupply.com/autovent.html Note that this type of vent may be prohibited where you live (if it matters). Jim |
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