Gas smells, carbon monoxide, venting, sump pumps, and water alarms: the safety questions where the right answer matters most.
Leave the area and call the gas utility or emergency number.
What to do next: Do not flip switches, use phones inside, light flames, or try to find the leak yourself. Get outside, call from a safe place, and wait for the utility. After the area is made safe, a licensed plumber or gas fitter can repair the gas piping or appliance connection.
Read the full guide →Venting carries combustion gases, including carbon monoxide, out of the home.
What to do next: Make sure the vent is connected, sloped correctly, and not rusted or blocked. If you see scorch marks, melted plastic, backdrafting, or smell exhaust, shut the unit down and call a pro. Install carbon monoxide alarms near sleeping areas and per local code.
Headaches, dizziness, nausea, soot, or CO alarm activation are serious warnings.
What to do next: If a CO alarm sounds, leave the home and call emergency services. Do not re-enter until cleared. Fuel-burning appliances like water heaters, boilers, and furnaces need proper venting and combustion air. A plumber or HVAC tech can inspect the appliance after the emergency is handled.
Many plumbers can, but licensing rules vary by location.
What to do next: Ask whether the plumber is licensed for gas work in your area and whether permits are required. Gas work should be pressure-tested and inspected where required. Do not use unapproved fittings, flexible connectors through walls, or DIY shortcuts.
It overheated or jammed.
What to do next: Turn off the switch, clear the jam safely with power off, and press reset after it cools. If it trips repeatedly, the motor may be failing or something is stuck. Also check that the wall switch and outlet are working, but call an electrician if the electrical side is suspect.
Some areas require it, and it is strong backflow protection.
What to do next: An air gap is the small chrome cap on the sink or countertop. If water spills from it, the hose from air gap to disposal or drain is clogged. If your area allows a high loop instead, secure it properly. Follow local code for remodels.
Usually around every 5 years, or sooner if worn.
What to do next: Replace rubber hoses with quality braided stainless hoses. Check for bulges, cracks, rust, and stiffness. Turn off washer valves when leaving town. If the valves are hard to operate, replace them before a hose failure forces the issue.
Pour water into the pit until the float rises and the pump starts.
What to do next: Watch that water discharges outside and the pump shuts off after lowering the level. Clean debris from the pit and float. Test before rainy season. If the pump hums, trips, smells hot, or cannot keep up, replace it. Consider a battery backup if flooding would be costly.
It pumps sewage or wastewater up to a drain line when gravity will not.
What to do next: Ejector pumps are common for basement bathrooms. Do not remove the sealed lid casually, because sewer gas and waste are involved. If alarms sound, toilets stop working, or the pump runs constantly, call a plumber. Keep wipes and hygiene products out of these systems.
Put them anywhere a leak could quietly damage the house.
What to do next: Good spots include under sinks, behind toilets, by the water heater, under the dishwasher toe-kick, behind the washing machine, near the fridge, by sump pumps, and near basement floor drains. Test batteries twice a year. Smart sensors are best if you travel.
Water expands when heated, which can raise pressure in a closed system.
What to do next: If your relief valve drips, pressure spikes, or pipes knock after hot water use, test pressure with a gauge that records peak pressure. An expansion tank may be needed. It must be sized and precharged to match house pressure.
Keep water temperature reasonable and use anti-scald valves.
What to do next: Set the water heater near 120 degrees Fahrenheit and verify at a faucet with a thermometer. For showers, pressure-balanced or thermostatic valves help prevent sudden hot spikes. Homes with kids, elderly people, or short-term rentals should take this seriously.
Yes, sewage is contaminated and should be treated carefully.
What to do next: Wear gloves, boots, and eye protection if you must be near it, but large backups should be handled by cleanup professionals. Porous materials may need removal. Disinfect hard surfaces after the plumbing issue is fixed. Do not let children or pets near affected areas.
Yes, especially if materials stay wet longer than a day or two.
What to do next: Stop the leak, dry the area with fans and dehumidifiers, and remove wet porous materials if needed. If the area smells musty, has visible growth, or is larger than a small patch, call a remediation professional. Plumbing repair and drying are both part of solving it.
Licensed, pressure-tested, and inspected gas line repair and appliance connections, no shortcuts on the one system that can’t have them.
