What people keep running into with plumbing
Complaints tagged plumbing, each raised by more than one person. One-off posts are not included.
243 recurring problems · 1728 people · 29 forums we read
Raised more than once
Most people first.
- 4Why does my condensate pump keep running continuously?A continuously running pump is usually caused by a stuck float switch or an air lock that keeps the motor running after water slows down. Smacking the float or unplugging the unit temporarily fixes it, but the switch can get stuck again after heavy rain or heavy use.
- 4Can I fix a damaged baseboard or do I have to replace it?You can usually repair minor dents, cracks, and water stains on baseboards using wood filler, caulk, and paint without having to replace the whole board. Attempting a DIY fix prevents losing a security deposit or spending time on a full teardown, provided the wood hasn't completely rotted through.
- 4Gaps between shower wall and drywallGaps between a shower enclosure and the surrounding wall or drywall are typically caused by poor installation and create vulnerabilities for water to seep behind surfaces. Trying to fix wide corners or missing backing with standard caulk often fails or requires tearing out tile, leaving homeowners unsure of how to seal the space safely without major demolition.
- 4Why is my dry ceiling stain getting bigger?Ceiling spots can slowly expand and darken over months even when the drywall feels completely dry and firm to the touch. This makes it nearly impossible to identify the source of the leak or figure out what action to take next without guessing.
- 4Why are there big soil gaps around my foundation?Clay soil shrinks and pulls away from foundations during hot weather, creating large hand-sized gaps that can lead to structural shifting and cracked tiles inside the home. Homeowners are left uncertain whether to immediately fill these trenches with soil or sand, or wait until the ground stops moving before attempting a fix.
- 4How to patch an inaccessible vent pipeFull replacement is impossible when a damaged vent pipe sits hidden between a floor and an exterior wall, forcing a repair from the inside instead. Standard exterior patching products often crack repeatedly within months, leaving homeowners stuck searching for a durable solution that holds up on hard-to-reach connections.
- 4HVAC condensate pump overflowing onto the floorAn overflowing condensate pump usually means the discharge line is clogged or the internal float switch is stuck, preventing water from pumping outside. This forces the unit to fill up and leak onto the floor, leaving you unsure whether to troubleshoot, clear the blockage, or replace the pump entirely.
- 4Home inspection found plumbing issues but seller says it's fineSellers often dismiss corroded pipes or water stains flagged in an inspection as minor, leaving buyers to decide whether to push for a repair credit or risk a major leak. This dynamic creates high-stakes friction during contract negotiations, forcing buyers to weigh walking away against paying out of pocket for a costly repipe shortly after moving in.
- 4Why is my steam shower outlet constantly leaking water?A continuous trickle from a steam shower outlet usually points to a faulty water solenoid valve or a misadjusted manual shut-off mechanism that fails to seal completely. This constant flow wastes water, drives up utility bills, and forces homeowners to manually fiddle with bypass controls just to stop the leak.
- 4How to get rid of mold around shower pipes permanentlySurface cleaning often fails to fix mold around pipes because trapped moisture and poor fixture designs continue to fuel new growth. Without addressing the underlying dampness, scrubbing only removes the visible buildup temporarily while the mold keeps returning.
- 4Why is my dishwasher wash arm not spinning?Low water pressure prevents the lower wash arm from spinning even when the interior is completely free of clogs. This stops the appliance from washing properly, leaving it stuck in a cycle of filling, sitting, and draining without cleaning the dishes.
- 4Where do I run the vent for a washer installation?Routing the plumbing vent incorrectly or using the wrong fitting can render the washer vent completely useless. Using the proper fitting, such as swapping out an improper sweep for a sanitary tee, ensures the drainage and venting system works correctly without failing code or causing backups.
- 4Slow drip on sewer pipe jointA damp sewer pipe joint or extremely slow drip discovered during renovations often indicates a seal beginning to fail. While minor dampness may have persisted for years without issue, the transition to active dripping prompts homeowners to plan for pipe replacement before major damage occurs, though fixing it requires disturbing finished basement walls.
- 3Stud finder mistakes refrigerant line for stud when hanging shelvesWall scanners can falsely register utility lines like refrigerant tubing as wooden studs, leading to dangerous punctures when driving fasteners. This risk causes constant anxiety during home installation projects and can result in severe property damage such as complete refrigerant loss.
- 3Mixed up original and replacement parts after disassemblyCircuit boards and small components look identical across original and aftermarket replacements, making it impossible to tell them apart once mixed up on the workbench. This leads to reassembling devices with the wrong internal board or losing track of whether loose pieces are essential or leftover extras.
- 3Portable washing machine hose doesn't fit kitchen faucetApartment faucets rarely match standard portable washing machine or garden hose thread sizes, and stuck under-sink valves block alternative water lines. This mismatch leaves renters unable to hook up their machines without knowing the exact adapter parts or thread pitch to bridge the gap.
- 3How to tighten a wobbly toilet tank without cracking porcelainTightening a wobbly toilet tank is difficult because cramped clearance under the bowl makes it hard to reach the mounting nuts without guessing your leverage. Pushing past this limitation risks cracking the porcelain tank or stripping the hardware. Using specialized tight-space tools or stabilizing the bolts carefully prevents leaks and movement without applying destructive pressure.
- 3Why does my toilet make a train noise when I flush?That loud train noise at the start of a flush is typically caused by a vibration or restriction in the water supply line or valve assembly that persists even after replacing standard parts like the fill valve, flapper, and seals. Because the sound continues regardless of new hardware and a clear vent stack, homeowners are left dealing with a startling racket every time they press the handle.
- 3High pitched squealing noise from pipes at nightPipes can produce random high-pitched squeals and strange noises in the middle of the night even when no water is running. Because the sound happens unpredictably and stops for hours at a time, it is nearly impossible to track down the source or show a plumber what is happening.
- 3How hard is it to convert a walk-in shower back to a bathtub?Converting a walk-in shower back to a bathtub requires a massive amount of labor, including tearing out the wet walls, subfloor, and surrounding flooring because matching existing tiles and grout is nearly impossible. This invasive process often uncovers hidden damage once walls are opened and forces homeowners into a much larger, more complex renovation than initially planned.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.