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The Homeowner's Guide to Basic Plumbing

There is a unique sense of pride that comes from fixing a problem in your own home. Tackling minor plumbing issues can save you time and money, and it is a great way to build your DIY confidence. However, water damage is incredibly unforgiving, and a small mistake can quickly become a costly disaster.

 

At the United Handyman Network, we want to empower you to handle the basics safely, while knowing exactly when it is time to put down the wrench and call in a professional.

 

Here is your straightforward guide to simple DIY plumbing and the warning signs that indicate you need an expert.

Looking for a specialist? United Handyman Network today.

Fast, reliable, and stress-free.

Part 1: Simple Plumbing Tasks You Can Do Yourself

How to Unclog a Minor Drain Backup: Before reaching for harsh chemical cleaners that can damage your pipes, try the physical approach.

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  1. Clear any visible debris from the drain cover.

  2. Fill the sink or tub with a few inches of water to create a seal.

  3. Place a cup plunger firmly over the drain and pump vigorously up and down several times.

  4. If plunging fails, use a plastic drain snake (zip tool) to pull out hair and gunk.

  5. Flush the drain with boiling water and a mixture of baking soda and vinegar to clear out residual grease.

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How to Replace a Showerhead: Upgrading your showerhead is one of the easiest ways to improve your bathroom.

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  1. Use an adjustable wrench to unscrew the old showerhead by turning it counterclockwise. (Tip: Wrap a cloth around the pipe to prevent scratching the finish).

  2. Clean the threads of the shower arm with an old toothbrush.

  3. Wrap the threads clockwise with fresh Teflon tape (plumber's tape) 2-3 times to ensure a watertight seal.

  4. Screw on the new showerhead by hand until it is tight.

  5. Turn on the water to check for leaks. If it leaks, gently tighten it a quarter-turn more with your wrench.

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How to Fix a Running Toilet : A toilet that won't stop running is usually caused by a faulty flapper, the rubber seal at the bottom of the tank.

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  1. Turn off the water supply valve located behind the toilet.

  2. Flush the toilet to drain the tank.

  3. Remove the tank lid and unhook the old flapper from the flush valve chain and the pegs at the bottom.

  4. Take the old flapper to the hardware store to buy an exact match.

  5. Snap the new flapper onto the pegs, reconnect the chain (leaving a little bit of slack), and turn the water back on.

​Part 2: When to Call a Plumbing Expert

While DIY is great for surface-level fixes, the plumbing system behind your walls is complex. If you experience any of the following, it is time to contact a professional through the United Handyman Network.

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  • You Have No Water or Low Pressure Everywhere: If water is barely trickling out of multiple fixtures, you likely have a serious issue with your water main, a hidden leak, or a failing pressure regulator.

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  • You Hear Water Running Behind Walls: If you hear a hissing or running water sound when all faucets are off, you may have a hidden pipe leak. Finding and fixing this requires specialized equipment to prevent major structural damage and mold.

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  • You Smell Sewage: A foul odor coming from your drains or yard means your sewer line is likely blocked, cracked, or broken. This is a severe health hazard and requires immediate professional excavation or hydro-jetting.

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  • Your Water Heater is Leaking or Failing: If your water heater is pooling water at its base, making loud rumbling noises, or failing to produce hot water, do not attempt to fix it yourself. Water heaters involve gas lines or high voltage and pressurized tanks, making them dangerous for a novice to repair.

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  • You Need to Move Existing Pipes: Remodeling a bathroom or kitchen? If the job requires rerouting pipes, altering the main stack, or installing new plumbing lines, local building codes mandate that the work be done by a licensed professional.

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Conclusion: The Golden Rule of DIY Plumbing

If you have to force a pipe, if you do not know where the main water shut-off valve is, or if you feel out of your depth, stop immediately. It is always cheaper to pay a professional to fix the original problem than to pay them to fix the problem plus the mistakes you made trying to repair it.

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