Most plumbing problems homeowners face are not actually hard. They’re confusing — because nobody told you which tools you need, which parts fit your specific faucet, and which problems are quick fixes versus “stop and call a plumber” territory.
That confusion is what we’re here to fix.
What we do
Plumbing By The Book publishes practical, code-aware repair guides for DIY homeowners. The site exists to answer the questions you’d ask a friend who happens to be a contractor — what’s actually wrong, what part fits, how to do the repair, and when you should put down the tools and pick up the phone.
We sell repair parts and DIY kits to support the content (storefront launching soon), but the editorial standards don’t change based on commerce. We recommend the cheap fix when it’s the right fix, even when we’d rather sell you the expensive one.
What “by the book” means to us
The name isn’t decorative. It’s a working principle:
- By the manufacturer’s book — when we tell you which cartridge fits a Delta 1700 series, we’ve verified it against Delta’s own documentation. When we describe a Moen 1225 replacement procedure, we’ve cross-referenced Moen’s published install guide.
- By the plumbing code — common residential repairs (faucets, toilets, drains, basic supply work) generally don’t require permits, but local codes vary. We flag where a repair touches code-relevant territory and tell you to consult your jurisdiction.
- By the standards a real plumber would respect — we don’t recommend shortcuts that work in the moment but fail six months later. We don’t recommend forcing stuck shut-off valves. We don’t pretend gas water heater installations are weekend projects.
When we don’t know something, we say so. When we’re not sure if your specific situation matches the standard case, we tell you that too. Conservative honesty earns trust faster than confident bluffing.
How we research and verify
Every how-to article on this site goes through a research-first process before drafting:
- We compile manufacturer specifications, professional plumber documentation, and established trade publications (This Old House, Family Handyman, manufacturer install manuals) for the specific topic.
- We verify part numbers, specifications, and procedure sequences against multiple authoritative sources.
- We flag conflicting information and note the consensus position.
- We cite specific sources where claims are made.
- The article gets reviewed for technical accuracy before publishing.
We’re not licensed plumbers. We’re publishers and editors who built a process to make sure the technical information is right. That’s a different role from a plumber, and we’re explicit about it.
When we tell you to call a plumber
A core part of the editorial standard is knowing when to tell you to stop. We won’t write step-by-step DIY guides for:
- Gas line work (legally restricted in many states; explosion and fire risk)
- Water heater installation (gas/electric adjacency, weight and code complexity)
- Sewer main and main line repairs (specialty equipment, real damage if wrong)
- Whole-house re-piping
- Backflow prevention installation
- Anything that requires a permit in most jurisdictions
These topics can be dangerous if instructions are wrong. Our content scope today focuses on what we can confidently get right: faucet repair, toilet repair, drain unclogging, basic fittings and supply lines, and the small fixes that handle 90% of household plumbing problems.
Who we are
This site is built and run by a small operator using the editorial process described above. Plumbing By The Book is an independent, owner-operated educational ecommerce site based in California. We’re not affiliated with any manufacturer or brand we cover.
If you have a question about a specific repair, find an error in our content, or have a recommendation for a topic we should cover, send us a note via the Contact page. We respond within two business days.
Editorial independence
We participate in affiliate programs (the Affiliate Disclosure covers the details), but affiliate relationships do not influence our recommendations. When we recommend a specific cartridge, tool, or part, it’s because we’d buy it ourselves or have verified it through manufacturer documentation. The disclosure on each article is mandatory for our own integrity, not just for FTC compliance.
If a brand asks us to write favorably about their product in exchange for compensation, we decline. If we ever can’t recommend a product honestly, we don’t write about it.
What we’re not
We’re not a plumbing service. We don’t dispatch plumbers, take service calls, or perform repairs. If you need a plumber, your local network of licensed professionals is the right resource — not us.
We’re not a manufacturer. We don’t make the parts we sell or recommend. We’re a curator and educator, sourcing parts from established distributors and putting them in front of homeowners who need them.
We’re not your warranty provider. Manufacturer warranties on faucets, parts, and tools come from the manufacturers themselves; we provide product information but don’t replace or expand on those warranties.
What’s next
We publish new repair guides regularly. The fastest way to keep current is the Homeowner’s Plumbing Repair Toolkit Checklist — a free PDF + a weekly digest covering the most-asked plumbing question of the week. One email, every Thursday.
Or just bookmark the site. The next plumbing problem is coming. You’ll be ready.
Educational content only. Not a substitute for licensed professional advice. Local plumbing codes vary. Use of any guidance from this site is at your own risk.