How-To
Step-by-step plumbing guides: how to fix, install, unclog, and maintain the plumbing in your home, and when a job calls for a licensed plumber.

Kitchen Faucet Cartridge Replacement: Find the Part Number and Swap It
Kitchen faucet cartridge replacement by brand: Moen 1225 or Duralast, Delta RP50587, Kohler, Pfister part numbers, 2026 prices,…

How to Snake a Main Sewer Line Through the Cleanout
How to snake a main sewer line through the cleanout: K-750 manual rules, 5/8 or 3/4 in cable,…

How to Replace a Bathroom Faucet (Hole Spacing, Steps, Specs)
How to replace a bathroom faucet: match 1, 4 in or 8 in holes, remove seized nuts, set…

How to Install a Pressure Reducing Valve (Code, Specs, Setting, Cost)
How to install a pressure reducing valve: when code requires one, Watts, Zurn and Cash Acme specs, cut-in…

How to Fix a Loose Toilet Handle (Reverse-Thread Nut, Chain and Replacement)
How to fix a loose toilet handle: tighten the reverse-threaded nut counterclockwise, set 1/2 inch of chain slack,…

How to Check Expansion Tank Pressure (and Tell if the Tank Is Bad)
How to check expansion tank pressure with a tire gauge, the right pre-charge setting, two tests for a…

Ghost Flushing Toilet: Why It Refills by Itself
Ghost flushing toilet? Run the 10-minute EPA dye test, find the leak by where the water stops, and…

Delta Shower Cartridge Replacement: Which Cartridge and How
Delta shower cartridge replacement by valve series: RP46074, RP19804 or RP32104, how to pull it, set the limit…

Water Softener Bypass Valve: How to Use It and When
Water softener bypass valve guide: push-pull, Clack two-handle, Fleck and three-valve loops, how to read the position, when…

Water Heater Thermocouple Replacement: Steps, Cost and Signs
Water heater thermocouple replacement in 8 steps: the 18 mV test, the right length, the 1/4 turn rule,…