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.

How to Replace a Toilet Seat: Sizes, Bolts, and 10-Minute Steps
How to replace a toilet seat: measure 16.5 in (round) or 18.5 in (elongated), confirm 5.5 in bolt…

How to Fix a Leaky Tub Faucet: Two-Handle and Single-Handle Repairs
How to fix a leaky tub faucet: match the drip to the part, pick the right deep socket…

Washing Machine Shut Off Valve Leaking: Fixes
Washing machine shut off valve leaking? Find the drip at the stem, hose washer or wall box, use…

Utility Sink Plumbing: Drain, Vent, and Supply Setup
Utility sink plumbing by code: 1-1/2 in trap, 6 ft trap arm limit, vent, washer standpipe sharing rules,…

Kitchen Sink Drain Plumbing Diagram, Part by Part
Kitchen sink drain plumbing diagram, labeled: strainers, baffle tee, disposal, 1-1/2 in P-trap, trap arm limits (6 ft…

How to Remove a Garbage Disposal in 8 Steps
How to remove a garbage disposal in 8 steps: cut 120 V power, free the hoses, turn the…

How to Install a Bidet Seat or Attachment
How to install a bidet attachment or electric seat, with the 7/8 in T-valve, hose sizes, GFCI and…

Closet Bolts: Sizes, Types, and How to Replace Them
Closet bolts come in 1/4-20 and 5/16-18 sizes, usually 2-1/4 in long. Pick the right type, tighten without…

Water Heater Gas Control Valve: Symptoms, Testing and Replacement
Water heater gas control valve guide: Honeywell blink codes 1 to 8, the mV and pressure tests that…

Slow Filling Toilet: Causes and Fixes
Slow filling toilet? Time the refill, then work through the shutoff, supply line, fill valve debris, seal, float…