
What Is an Overflow Relief Gully and Why It's Required?
If you've ever noticed a small drain-like fitting outside your home, usually near the bathroom, kitchen or laundry wall, chances are you've spotted your overflow relief gully. Whilst it might not look like much, this unassuming piece of plumbing infrastructure plays a crucial role in protecting your home from one of the worst nightmares any homeowner can face: sewage backing up inside your house.
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