Hi, just a little question. When a toilet flushes, a customer ( I haven't attended the site) says they hear a vacuum/gurgling from bath waste. Is this because of below-ground blockages or soil pipe not venting?
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Reply to the thread, titled "william" which is posted in The Welcome Wagon :) on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.