What to Check Behind the Fixture Before Replacing a Faucet or Sink? A new faucet or sink should improve your space, not introduce a new plumbing headache. Inspect the supply lines, shutoff valves, drain, cabinet, wall, mounting surface, and surrounding utilities before removing the existing fixture. If you discover corrosion, leaks, structural damage, or uncertain utility locations, professional help can protect your property and your plumbing system. Careful preparation makes plumbing fixture replacement safer, cleaner, and far more reliable. Visit: https://medium.com/@850plumbingservice/what-to-check-behind-the-fixture-before-replacing-a-faucet-or-sink-fc3aeaf9003e?sharedUserId=850plumbingservice