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A shower handle and escutcheon plate on a tiled wall, illustrating which shower trim kits fit your valve

Which Shower Trim Kits Fit Your Valve? How to Tell by Brand

You found a shower trim kit you like, in the right finish, from the right brand. It still might not fit. Which…

October 6, 2026 · 13 min read

A pull-down kitchen faucet spray head and hose under a sink, illustrating how to choose a replacement hose for a pull-down kitchen faucet

Replacement Hose for Pull-Down Kitchen Faucet: How to Tell Which Fits

You have a pull-down kitchen faucet that won’t retract, drips under the sink, or has a cracked hose, and the shelf at…

October 5, 2026 · 13 min read

A cracked toilet flange and repair ring on a bathroom floor, illustrating the cost to repair a toilet flange

Cost to Repair a Toilet Flange: DIY vs. Plumber [2026]

The cost to repair a toilet flange runs about $145 to $350 with a plumber, according to Angi, while a DIY repair…

September 24, 2026 · 11 min read

A new kitchen faucet, supply lines, and a basin wrench laid out on a counter, illustrating the cost to install a faucet

Cost to Install a Faucet: What the Labor Actually Runs [2026]

The cost to install a faucet with a professional is usually a low-hundreds job: Home Depot lists an average faucet installation at…

September 24, 2026 · 12 min read

Corroded galvanized and cast iron pipe next to new PEX, illustrating when to repipe vs repair

When to Repipe vs Repair Galvanized, Polybutylene, and Cast Iron [2026]

Knowing when to repipe vs repair is a big-ticket decision, and the honest answer depends on which pipe is in your walls.…

September 21, 2026 · 13 min read

Faucet valve type identification chart showing compression, ball, cartridge, and ceramic disc valve parts side by side

Faucet Valve Type Identification Chart: Cartridge, Ball, Compression, and Ceramic Disc [2026]

This faucet valve type identification chart covers the four mechanisms hiding inside almost every residential sink faucet — compression, ball, cartridge, and…

September 17, 2026 · 14 min read

Title card for the article 'Faucet Replacement Parts: The Homeowner's Glossary [2026]' on Plumbing By The Book

Faucet Replacement Parts: The Homeowner’s Glossary [2026]

Faucet replacement parts are the second-most-expensive mistake in DIY faucet work, right behind misidentifying the faucet brand itself. Buy the wrong cartridge…

September 11, 2026 · 15 min read

Shower cartridge identification chart showing cartridges from Delta, Moen, Kohler, and Pfister side by side

Shower Cartridge Identification Chart: Every Major Brand in One Table [2026]

Shower Cartridge Identification Chart: Every Major Brand in One Table [2026] This shower cartridge identification chart puts nine manufacturers on one page…

August 14, 2026 · 19 min read

Title card for the article 'How to Read a Delta Faucet Model Number: Model vs. Part Number Explained [2026]' on Plumbing By The Book

How to Read a Delta Faucet Model Number: Model vs. Part Number Explained [2026]

How to Read a Delta Faucet Model Number: Model vs. Part Number Explained [2026] Knowing how to read a Delta faucet model…

August 4, 2026 · 12 min read

Title card for the article 'Where Is the Model Number on My Faucet? A Brand-by-Brand Guide [2026]' on Plumbing By The Book

Where Is the Model Number on My Faucet? A Brand-by-Brand Guide [2026]

Where Is the Model Number on My Faucet? A Brand-by-Brand Guide [2026] Where is the model number on my faucet? Before you…

August 4, 2026 · 13 min read