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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 · 17 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 · 13 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

Title card for the article 'Should I Repair or Replace My Shower Valve? [2026]' on Plumbing By The Book

Should I Repair or Replace My Shower Valve? [2026]

Should I repair or replace my shower valve? For most homeowners, the honest answer is: repair the cartridge first. A professional cartridge…

August 4, 2026 · 10 min read

A genuine OEM Moen 1225 cartridge next to an aftermarket Danco replacement cartridge, comparing whether aftermarket faucet cartridges are as good as OEM

Are Aftermarket Faucet Cartridges as Good as OEM? [2026]

Are aftermarket faucet cartridges as good as OEM? Sometimes — but the $10 to $31 you save on the part is the…

August 4, 2026 · 12 min read

A single-handle faucet next to a two-handle faucet, illustrating the single-handle vs two-handle faucet repair comparison

Single-Handle vs Two-Handle Faucet: Which Is Easier to Repair? [2026]

Single-handle vs two-handle faucet repair isn’t a coin flip — the honest answer depends on the faucet’s age, whether you know the…

August 4, 2026 · 13 min read

How to identify your toilet flush valve: homeowner looking inside an open toilet tank at the flush valve and flapper

How to Identify Your Toilet Flush Valve [2026]

Pull off the tank lid to fix a running toilet and you’ll find one of two very different things: a rubber flapper…

August 3, 2026 · 12 min read

How to identify your toilet flapper by brand: homeowner reading the tank model number inside an open toilet tank

How to Identify Your Toilet Flapper by Brand [2026]

Pop the tank lid to replace a leaking flapper and you’re staring down a hardware-store aisle of red rubber discs that all…

August 3, 2026 · 13 min read

How to find your toilet model number: a flashlight held at an angle to read a stamped model number on the inside back wall of a toilet tank

How to Find Your Toilet Model Number [2026]

Pop the tank lid to fix a running toilet or order a new flapper, and the part you actually need depends on…

August 3, 2026 · 13 min read

Title card for the article 'How to Identify Kohler Toilet Parts (Canister, AquaPiston, and the Tank Number) [2026]' on Plumbing By The Book

How to Identify Kohler Toilet Parts (Canister, AquaPiston, and the Tank Number) [2026]

How to Identify Kohler Toilet Parts (Canister, AquaPiston, and the Tank Number) [2026] Unlike a house brand sold under someone else’s name,…

August 3, 2026 · 13 min read