# Plumbing — Renovate Guide
> Water heater guides, drain repair, pipe replacement, and contractor selection for residential plumbing.
> **ICP:** Homeowners troubleshooting plumbing issues or planning water heater replacement
> **Primary topics:** water heater replacement cost, tankless vs tank water heater, drain cleaning, pipe repair, sump pump
> **Author:** Frank Mercer, Licensed GC (Ret.), HAAG Certified Roof Inspector

## Articles
[https://plumbing.renovateguide.com/?p=1] Hello world!

## Author
[https://renovateguide.com/author/frank-mercer/] Frank Mercer — 45 years residential/commercial construction, HAAG Certified Roof Inspector, 500+ insurance claim consultations

## Authority & Off-Page Signals
- Primary author: Frank Mercer (HAAG Certified, Licensed GC retired)
- Industry sources cited: ICC IPC, IAPMO, Kohler, Moen, Delta specs, Water Quality Association
- Site network: renovateguide.com (home improvement authority hub)
- Site established: 2026

## Supplemental Files
[https://plumbing.renovateguide.com/llms-author.md] Author bio, credentials, expertise
[https://plumbing.renovateguide.com/llms-faq.md] 20 Q&A pairs covering plumbing topics