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.

Bathroom Faucet Plumbing: Types, Supply Lines, and How to Install One
Bathroom faucet plumbing explained: single-hole vs 4in centerset vs 8in widespread, supply line sizes, mounting nuts, and step-by-step…

PVC Pipe: Schedules, Sizes, Uses, and How to Join It
PVC pipe explained: schedule 40 vs 80, sizes and OD, where it works (and where it does not),…

Plumbing Pipe Sizes: The Complete Supply, Drain, and Vent Chart
Plumbing pipe sizes by fixture: supply, trap, drain, and vent sizes in one chart, plus fixture units and…

How to Install a Water Softener
How to install a water softener: where to place it, the loop and bypass valve, the drain line…

How to Install a Sump Pump
Sump pump plumbing, step by step: pit, 1-1/2 in discharge pipe, check valve, weep hole, and where the…

Bathroom Remodel Plumbing: What to Keep, What to Move, and the Cost
Bathroom remodel plumbing costs less when you keep fixtures near the stack. See what it costs to move…

New Construction Plumbing: The 3 Phases, Cost, and Timeline
New construction plumbing runs in three phases: groundwork, rough-in, and trim-out. See cost per fixture, per square foot,…

Dishwasher Plumbing: How to Hook Up the Water Supply and Drain
How dishwasher plumbing works: hot water supply, drain to the disposal or tailpiece, high loop vs air gap…

Basement Bathroom Plumbing: Options, Rough-In, and Cost
Basement bathroom plumbing sits below the sewer line. Compare ejector pit, upflush, and gravity options, plus rough-in, permits,…

How to Prevent Frozen Pipes
Prevent frozen pipes with a ranked methods table, the 20-degree drip rule, insulation and heat-tape specs, plus a…