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Common Plumbing Problems and How to Troubleshoot Them
Common Plumbing Problems and How to Troubleshoot Them
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Written by Nathan Toothman
Updated over 3 months ago

Your home’s plumbing system is a vital part of everyday life, but like any system, it can encounter problems over time. Fortunately, many common plumbing issues can be addressed with simple troubleshooting steps before calling a professional. Here’s a look at the most frequent problems homeowners face and how to deal with them.

1. Leaks

Leaks are one of the most common plumbing issues and can range from a dripping faucet to a burst pipe. While small leaks may seem minor, they can lead to significant water waste and damage over time.

Causes of Leaks

• Worn-out washers or O-rings in faucets.

• Corrosion in pipes.

• High water pressure causing stress on joints and seals.

• Loose pipe connections.

Troubleshooting Steps

Faucet Leaks: Tighten the handle or replace worn-out washers and O-rings. This typically requires a basic wrench and replacement parts available at hardware stores.

Pipe Leaks: Identify the source of the leak. For minor leaks, you can use plumber’s tape or epoxy putty as a temporary fix. For more significant leaks, turn off the water supply and call a plumber.

Toilet Leaks: If the toilet is leaking around the base, it may need a new wax ring seal. If the tank is leaking, check for cracks or faulty components in the flush mechanism.

2. Clogs

Clogged drains and toilets are inconvenient and often caused by a buildup of debris or improper disposal of waste.

Causes of Clogs

• Hair and soap scum in bathroom drains.

• Grease, food particles, and coffee grounds in kitchen sinks.

• Flushing non-flushable items like wipes or feminine hygiene products down toilets.

Troubleshooting Steps

Sink and Shower Drains:

• Use a plunger to create suction and dislodge the clog.

• Try a drain snake or wire hanger to remove hair or debris.

• Avoid chemical drain cleaners, as they can damage pipes over time.

Toilet Clogs:

• Use a toilet plunger with a flange for better suction.

• For stubborn clogs, a toilet auger can reach deeper into the drain.

Preventative Measures: Install drain strainers to catch debris and avoid flushing or washing improper items down the drain.

3. Low Water Pressure

Low water pressure can affect everything from your morning shower to washing dishes. It’s a frustrating issue but often easy to fix.

Causes of Low Water Pressure

• Buildup of mineral deposits in faucets or showerheads.

• Leaks in pipes reducing pressure.

• Closed or partially closed water valves.

• Problems with the municipal water supply.

Troubleshooting Steps

Check Faucets and Showerheads: Remove and clean aerators or showerheads to clear mineral deposits. Soak them in vinegar overnight for stubborn buildup.

Inspect Valves: Ensure the main water valve and any supply line valves are fully open.

Detect Leaks: Look for water stains, wet spots, or dripping sounds that indicate a hidden leak.

Consult Your Water Provider: If the issue affects your entire home, contact your water provider to check for outages or pressure issues in the area.

4. Running Toilets

A running toilet can waste gallons of water daily and is often caused by worn or malfunctioning components in the tank.

Troubleshooting Steps

Check the Flapper: The rubber flapper may be worn or improperly seated. Replace it if it’s damaged or doesn’t close completely.

Inspect the Float: Adjust the float to ensure the water shuts off at the correct level.

Examine the Fill Valve: If the fill valve is malfunctioning, it may need to be replaced. This is a relatively simple DIY repair with the right tools.

5. Water Heater Issues

Problems with your water heater can lead to inconsistent hot water or no hot water at all.

Troubleshooting Steps

No Hot Water: Check the thermostat settings on the water heater and reset the circuit breaker if necessary. For gas water heaters, ensure the pilot light is lit.

Sediment Buildup: Drain and flush the tank to remove sediment that can reduce efficiency.

Leaks: Inspect connections and the tank for signs of leakage. Small leaks can be patched temporarily, but a leaking tank often requires replacement.

When to Call a Professional

While many plumbing problems can be resolved with DIY solutions, some issues require expert attention:

• Persistent or severe leaks.

• Frequent clogs that don’t respond to plunging or snaking.

• Low water pressure caused by hidden leaks or pipe corrosion.

• Water heater issues that persist after troubleshooting.

Preventative Tips for Homeowners

1. Avoid flushing or disposing of improper items in toilets and drains.

2. Regularly inspect pipes and fixtures for signs of wear or damage.

3. Install water softeners in areas with hard water to prevent mineral buildup.

4. Schedule annual maintenance for your water heater and plumbing system.

By addressing minor plumbing problems early and performing routine maintenance, you can prevent costly repairs and keep your home’s plumbing system in excellent working condition.

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