Paul Henderson
Reviewing plumber · Washington · 19 years in the field
Every entry below was reviewed against current WA code before publication.
Entries reviewed by Paul Henderson 9 entries
Clogged Drain from Tree Roots: Signs You Have a Root Problem
How to tell if tree roots are causing your slow drain or backup in Seattle. WA plumber reviewed with 8 years experience.
Leaking Toilet Base: Wax Ring or Something Else?
Moderate · 10 min. Why water leaks around the toilet base and whether it's the wax ring, bolts, or something else. WA plumber reviewed with 26 years experience.
Mineral Deposits on Your Showerhead: How to Clean It and Keep It Clear
How to clean mineral deposits and calcium buildup from a showerhead using vinegar or CLR — with or without removing it. WA plumber reviewed with 19 years experience.
Multiple Bathroom Sink Plumbing: Double Vanity Guide
Moderate · 10 min. How double vanity and multiple bathroom sink plumbing works, what's required, and when permits apply. WA plumber reviewed with 26 years experience.
Pinhole Leaks in Copper Pipes: Causes, Detection, and What to Do
Why copper pipes develop pinhole leaks in Seattle, how to find them, and your repair options. WA plumber reviewed with 22 years experience.
Seattle Tap Water Quality: Is It Safe, and What Affects the Taste?
Seattle tap water safety, what causes taste and odor issues, when to test, and what plumbing factors affect your water quality. WA plumber reviewed with 19 years experience.
Sewer Lateral Repair Options: Repair vs. Replace and What Each Costs
All sewer lateral repair options compared — cleaning, lining, bursting, and open trench — with costs and when each applies. WA plumber reviewed with 19 years experience.
Tree Roots in Sewer Line: Signs, Removal, and Prevention
How tree roots get into sewer lines, how to remove them, and how to prevent them from coming back. WA plumber reviewed with 22 years experience.
Water Heater Temperature Setting: What to Set and Why
Correct water heater temperature settings, scalding risk, Legionella prevention, and how to adjust your thermostat. WA plumber reviewed with 19 years experience.