How to Remove Old Gas Lines From House

If you have an old gas line in your house that’s been there for a while, and you want to get rid of it, there are a few things you can do:

  1. Make sure the gas line is properly disconnected from the source.
  2. It would be best if you used a snake or a rooting pig to clear out any dirt or debris around the pipe.
  3. Use a wire brush or sandpaper to clean the pipe and prep it for painting.

In this article, we will discuss how to remove old gas lines from house.

How to Remove Old Gas Lines From House

How to Identify an Old Gas Line?

To identify an old gas line, one must look for specific characteristics that distinguish it from a newer gas line. For example, older gas lines are typically made out of cast iron. In comparison, newer gas lines are usually made out of plastic. Additionally, an older gas line often has rivets along the seams, while a newer gas line will have welds.

What Tools Do You Need?

The tools one might need to remove an old gas line from a house depend on the type of gas line being removed. A hacksaw might be needed to cut the line if it is a steel gas line. A pair of pliers or scissors might be required to cut the line if it is a plastic gas line.

Average Cost of Gas Line Removal

The average cost of gas line removal is usually determined by the length of the gas line, the accessibility of the line, and the amount of labor necessary to remove the line. Generally, costs range from $50 to $200 per hour, with an average price of around $100 per hour. In some cases, where the gas line is buried deep in the ground or located in a difficult-to-reach place, the cost can be much higher.

How to Remove Old Gas Lines From House

Prepping the Area

Before removing any gas lines from a house, it is essential to prep the area so that the process goes as smoothly as possible. This means clearing out any furniture or other obstructions from the site and ensuring a clear path to the house’s exterior. It is also essential to ensure a clear space outside where the old gas lines can be safely removed.

Disconnect the Gas Line

To disconnect the gas line from the appliances, turn off the gas at the main valve. Then loosen the coupling nut on the appliance with a wrench and pull the appliance away from the gas line. Then loosen the coupling nut on the main gas line and pull it away from the Tee fitting.

Turn Off the Gas at the Main Valve to Disconnect the Gas Line

Cut and Remove the Old Gas Line From the House

To cut the gas line, use a pipe cutter. A pipe cutter is a handheld tool that has a circular blade that cuts through the pipe. First, measure and mark the spot where you will cut the pipe. Next, put the pipe cutter over the marked area and squeeze the handles together. The circular blade will cut through the pipe. To remove the old gas line from the house, use a wrench. A wrench is a tool used to loosen or tighten bolts and nuts.

To Cut the Gas Line, Use a Pipe Cutter

How to Properly Dispose of the Old Gas Line?

Old gas lines can be disposed of in various ways, though it is important to take certain precautions. One option is to bury the pipe underground, which can be done by digging a hole at least two feet deep and then placing the line in the hole. The hole should then be filled with soil and pack it down tightly so the line will be stable. Another option is to incinerate the line.

Old Gas Lines Can Be Disposed of in a Variety of Ways

How to Shut Off and Cap a Gas Line Properly?

When shutting off a gas line, first turn off the gas supply at the meter. Next, close the valve on the supply line leading to the appliance. Finally, open the valve on the appliance to release any remaining gas. To cap a gas line, first, ensure the gas is turned off at the meter, and the appliance valve is closed. Next, remove the old cap and replace it with a new one.

How to Install Gas Line From Meter to House?

Installing a gas line is a complicated process that should only be done by a professional. The first step is to locate the gas meter, which is usually located near the street. Measure the distance from the meter to the house and purchase the appropriate amount of pipe. The pipe should be buried underground and capped at both ends. The final step is to connect the line to the meter and the house.

Gas Pipe Installation in House

A gas pipe installation in a house is a process that involves running a pipe from the street to the house and then running lines within the house to the various appliances. That uses natural gas, such as the furnace and water heater. Installing a gas pipe begins with excavating a trench from the street to the house. The trench is then filled with a type of concrete called “backfill” so that it can support the weight of the gas pipe.

Installing a Gas Pipe is a Complicated Process

How to Loosen a Stuck Pipe Fitting?

One way to loosen a stuck pipe fitting is to use a wrench. Place the wrench on the fitting and twist it in the direction that would loosen it if it weren’t stuck. If the wrench doesn’t work, try using a pipe vice grip. Place the pipe vice grip on the fitting and turn it in the direction that would loosen it if it weren’t stuck.

One Way to Loosen a Stuck Pipe Fitting is to Use a Wrench

Do You Need a Permit to Cap a Gas Line?

To cap a gas line permit from any authority is not always necessary. However, there are specific instances in which a permit is required. For example, a permit is not needed if a homeowner wants to cap off a new gas line in their basement. However, suppose a professional wants to cap a gas line for a business. In that case, they will need to obtain a permit from the city.

Who Can Cap a Gas Line?

A gas line can be capped by a professional or someone familiar with the process. The process of capping a gas line usually requires a unique gas cap tool. The gas cap is inserted into the pipe and tightened until the gas flow is stopped.

Exposed Gas Pipe Inside House

A gas pipe exposed inside a house can be a severe safety hazard. The pipe can easily be hit with something sharp, like a knife, and an explosion could occur. This is because when the pipe is hit, it can create a spark that will ignite the gas. To avoid this hazard, it is essential to cover up any exposed pipes adequately.

How to Uncap a Gas Line for a Stove?

There are a few ways to uncap a gas line for the stove. One way is to use a wrench to loosen the nut on the end of the pipe. Another way is to use a hammer and chisel to chip away at the seal around the pipe. Once the seal is broken, you can use pliers to pull the cap off of the pipe.

Tips and Tricks:

Removing old gas lines from a house can be daunting, but with the right tools and know-how, it can be done relatively easily. Here are some tips on how to remove old gas lines:

1) Start by checking for any obstructions that may have been caused by themselves. If there is anything in the way, remove it using a wire brush or a vacuum cleaner.

2) Once the obstruction is cleared, use a snake to carefully crawl along the pipe and identify where the old line ends and the new one begins.

3) Once you find where the new gas line begins, use a small wrench to unscrew the connection.

4) After removing the connection, cut off as much of the old line as possible with a utility knife.


It is essential to take some precautions first. To remove an old gas line from your house, ensure the gas is turned off at the meter, and then use a pipe cutter to cut the line. If any gas is left in the line, it will escape as you cut it, so be sure to have a fire extinguisher handy. Once the line is cut, cap both ends with pipe caps. If you are not comfortable doing this yourself, call a plumber to do it for you.


In conclusion, removing an old gas line from a house can be daunting, but with the right tools and instructions, it can be done. Be sure to take all necessary precautions when working with gas lines, and always consult a professional if unsure how to proceed.