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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

A homeowner comparing a faucet repair part against a full replacement faucet on a kitchen counter, illustrating the cost to repair a faucet

How Much Does It Cost to Repair a Faucet? DIY vs. Hiring a Plumber [2026]

The cost to repair a faucet runs from a few dollars in parts if you do it yourself to $100-$400 if you…

July 31, 2026 · 9 min read

Homeowner reading a Price Pfister model number tag under a bathroom sink to find the correct price pfister faucet cartridge

How to Identify Your Price Pfister Faucet Cartridge [2026]

Price Pfister faucet cartridge is the term a lot of homeowners search for even though the company hasn’t used that full name…

July 31, 2026 · 11 min read

A homeowner deciding when to call a plumber for drain problems while inspecting a slow bathroom sink drain

When to Call a Plumber for Drain Problems [2026]

Knowing when to call a plumber for drain problems comes down to a short checklist: is it one fixture or several, is…

July 30, 2026 · 9 min read

Under-sink view of a Pfister faucet with a model-number tag on the supply line — how to identify a pfister faucet cartridge

How to Identify Your Pfister Faucet Cartridge [2026]

Buying the wrong pfister faucet cartridge is exactly as expensive as it sounds. You pull apart a dripping single-handle kitchen faucet, order…

July 30, 2026 · 13 min read

A faucet cartridge and basic hand tools laid out on a counter, illustrating the cost to replace a faucet cartridge

How Much Does It Cost to Replace a Faucet Cartridge? [2026]

The cost to replace a faucet cartridge is one of the cheapest repairs in the house — about $15 to $130 if…

July 30, 2026 · 9 min read

How to identify your toilet fill valve: homeowner reading the molded brand name on a fill valve's top cap inside an open toilet tank

How to Identify Your Toilet Fill Valve [2026]

Most homeowners never look at their toilet’s fill valve until it starts hissing, running long after a flush, or refusing to shut…

July 30, 2026 · 10 min read

Drains and pipes guide: diagram of a home's supply and DWV plumbing system with labeled P-trap, drain stack, and vent pipe

Drains and Pipes Guide: The Complete Homeowner’s Overview of What’s Behind Your Walls [2026]

Drains and Pipes Guide: The Complete Homeowner’s Overview of What’s Behind Your Walls [2026] Water disappears down the drain a hundred times…

July 29, 2026 · 16 min read

A homeowner comparing a repair kit next to a new toilet, illustrating when to replace the whole toilet versus repair it

When to Replace the Whole Toilet (vs. Repair) [2026]

If your toilet just needs a $10 flapper, replacing the whole thing is a waste of money. But if you’re on your…

July 29, 2026 · 12 min read