Plumbing Troubleshooting Guide

Plumbing trouble seldom starts as a flood. It starts as a kitchen sink that drains slower every week, a toilet that refills on its own or a damp patch on the basement ceiling, and a few careful checks can show whether the fault sits in one fixture or deeper in the house.

None of those checks opens a gas line, an electrical panel cover or a pipe under pressure, and they are easier to follow once you know how the supply and drain lines of a house fit together.

Seven Symptoms and What Usually Lies Behind Them

A symptom narrows the search without settling it: a slow drain can be hair in one trap or roots in the lateral, and a shower that goes cold halfway through can be a worn heating element or a tank half full of sediment.

What to Check, and When to Stop

A safe check looks, listens and compares; it never opens a line. Once water, sewage or gas turns up where it should not be, the checking is over and the next step is a call.

Safe homeowner checks by symptom

Symptom	Safe check	Stop and call if
Slow drain	Run water at a second sink. One slow fixture means a local clog; several point to the main.	Water rises in the tub or floor drain when another fixture empties.
No hot water	Look for the flame in a gas heater’s window, or check an electric heater’s breaker.	You smell gas, the breaker trips again or the tank leaks.
Low pressure	Rinse the faucet aerator and make sure the main shutoff is fully open.	Every faucet stays weak, or the water runs brown.
Running toilet	Put food coloring in the tank and wait without flushing to test the flapper.	Water collects around the base, or the stop valve will not close.
Ceiling stain	Note whether it grows after showers or all the time, and pencil around its edge.	The ceiling sags or drips, or the stain crosses the line.
Gurgling pipes	Note which fixture gurgles and what sets it off.	The floor drain gurgles and slows at the same time.
Sewage smell	Run water into floor drains and seldom-used fixtures to refill their traps.	The smell returns once the traps are full, or sewage shows at a drain.

Leaks That Cannot Wait, and Leaks That Can

Most plumbing faults leave time to arrange a repair. A few keep doing damage for as long as water or sewage keeps moving, and the first job is to stop it at the main shutoff or by not using the drains.

Hose Bibs in Autumn, the Sump Pit in Spring

Freeze damage in a Youngstown house usually starts where a pipe runs along an outside wall, through a crawlspace or past an unheated garage, and a lake-effect cold snap finds those places first.

Before Winter

• Disconnect garden hoses. A hose left on holds water in the faucet, where it can freeze and split the pipe inside the wall.
• Where an outside faucet has its own shutoff in the basement, close it and drain the faucet.
• Wrap exposed pipes in crawlspaces, garages and along the rim joist with foam sleeves.

In Spring

• Test the sump pump before the thaw: pour water into the pit until the float rises, and watch the pump start, empty the pit and stop.
• Make sure the discharge pipe outside is clear and carries water away from the house.

All Year

• Know where the main shutoff is, usually near where the water service enters the basement, and make sure everyone at home can find it.
• Check that it turns: an old gate valve left alone for years can seize, and one that will not turn by hand is better replaced before it is needed.

A pump that hums without moving water, or never stops running, is due for sump pump service.