Ethan Clarke
Refrigerators often have a stiff plastic hose at the back, which is used to connect the fridge to a water supply valve. This is known as an ice maker hose or supply line and usually comes with the refrigerator upon purchase. The hose is prone to clogging and leaking, and it is recommended to replace it with a braided stainless steel hose to prevent such issues. The plastic hose is also used for the refrigerator's drain or condensation line, which can be accessed through a removable panel at the back of the fridge.
| Characteristics | Values |
|---|---|
| Purpose | Water/ice supply line, drain or condensation line |
| Material | Plastic, braided stainless steel, copper |
| Diameter | 1/4-inch |
| Pros | Budget-friendly, flexible, easy to install |
| Cons | Prone to clogging and leaking, not durable |
| Installation tips | Use hot and cold shut-off valves, drill holes for tubing, use clamps to secure the line |
| Maintenance | Clean the drain line and coils annually |
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What You'll Learn
Plastic tubing is prone to leaks and clogging
The stiff plastic hose under your refrigerator is likely the water line, which supplies water to your refrigerator and connects to the water valve at the back of the fridge. Plastic tubing is commonly used for refrigerator water lines as it is flexible, easy to install, and budget-friendly.
However, plastic tubing is more prone to leaks and clogging compared to other materials like braided stainless steel or copper tubing. One of the main causes of leaks in plastic tubing is improper material usage or manufacturing defects, which can lead to cracks and fractures in the tubing. These cracks can result in significant property damage if not detected early. To prevent leaks, it is important to ensure proper installation and maintenance of the tubing. This includes using Teflon tape or pipe joint compound to seal threaded pipes and fittings, as well as ensuring that joints are properly aligned and tightened.
Another issue with plastic tubing is clogging, which can occur due to debris buildup or pinching of the tube. For example, if the refrigerator is moved, the plastic line can become pinched, restricting water flow and causing clogs. Regular maintenance and inspection of the tubing can help identify potential clogging issues before they become more serious.
While plastic tubing is a convenient and cost-effective option for refrigerator water lines, it is important to be aware of its limitations. Proper installation, regular maintenance, and prompt leak detection can help mitigate the risks associated with plastic tubing. For more durable options, consider using braided stainless steel or copper tubing, which are less prone to leaks and clogging but may require a higher upfront investment.
In conclusion, plastic tubing for refrigerator water lines offers flexibility and ease of installation, but it is important to be cautious of its susceptibility to leaks and clogs. By taking preventive measures and choosing the right materials for your specific needs, you can ensure a reliable and efficient water supply for your refrigerator.
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Braided stainless steel is a durable alternative
The stiff plastic hose under your refrigerator is likely the water line, which connects your refrigerator to your water supply. It is similar to the water lines used to connect sinks to the water supply.
When it comes to choosing a water line for your refrigerator, you have a few options, including plastic, copper, and braided stainless steel. While plastic water lines are budget-friendly and easy to install, they may not be as durable as other options. Braided stainless steel, on the other hand, is a more durable alternative.
Braided stainless steel water lines are known for their strength and flexibility. They are designed to reinforce PVC or nylon hoses, providing extra strength and protection against leaks. This added durability comes at a higher upfront cost compared to plastic water lines. However, the small cost difference is worth it to many, as it can help avoid costly water damage repairs in the long run.
When installing a braided stainless steel water line for your refrigerator, it is important to follow the proper steps to ensure a safe and secure connection. This may include locating your nearest water supply line, installing an access panel, drilling holes, and securing the line with clamps. Additionally, make sure to shut off the water supply before beginning any installation or maintenance work.
Overall, braided stainless steel is a durable and reliable option for refrigerator water lines, offering peace of mind and helping to prevent potential leaks and water damage.
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Copper tubing is long-lasting
The stiff plastic hose at the back of your refrigerator is likely the water line, which connects your refrigerator to the water supply. Plastic water lines are budget-friendly but are prone to leaks if the refrigerator is moved, and may need to be replaced frequently.
Copper tubing is a long-lasting alternative to plastic tubing for refrigerator water lines. Copper tubing is available in two types: plumbing tube and air conditioning/refrigeration (ACR) tube. ACR copper tubing is commonly used in the North American refrigeration industry. Copper tubing is also available in two tempers: drawn (hard) and annealed (soft). The temper of a copper tube describes its strength and hardness. Hard copper tubing is rigid and cannot be bent, whereas soft copper tubing can be bent to travel around obstacles. Soft copper tubing is more expensive to produce than hard copper tubing.
Another advantage of copper tubing is that it can be cleaned after manufacturing to ensure that it is free from grains of metal and processing residues that could degrade components of a refrigerant system. Copper tubing designated for ACR use may be high-purity copper without any trace residue of de-oxygenating material. Copper tubing supplied to ASTM International standards is a minimum of 99.9% pure copper.
Crimped connections, also called pressed fittings, are a type of connection for copper tubing that should last as long as the tubing itself. This method is cleaner and quicker than other methods, although the fittings used are harder to find and more expensive.
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Installation tips
The stiff plastic hose under your refrigerator is likely the water line. It is used to supply water to your refrigerator, and sometimes also to an ice maker.
- Before installing a refrigerator water line, consult your refrigerator's manual for specific instructions.
- The most common types of water lines for refrigerators are made of braided stainless steel, plastic, or copper tubing. Plastic water lines are budget-friendly, but copper tubing lasts longer. Braided stainless steel is very durable but requires a higher upfront investment.
- If your water line also supplies an ice maker, discard the first two or three batches of ice your refrigerator makes.
- When connecting your refrigerator water line to your sink, use the hot and cold shut-off valves under the sink. If you’re connecting to a water pipe, shut off your home’s main water supply.
- Put down cardboard under the refrigerator to make it easier to move and to prevent floor scratches.
- If your sink has a shut-off valve, you can tap into it using a tee fitting. The tee fitting should fit the threads of your valve. The third outlet should have an outside diameter of 1/4-inch for the refrigerator water line.
- If your sink does not have a shut-off valve, tap into the line through the sink’s piping and install a valve for the refrigerator water line. Make sure the valve’s inlets match the diameter of your pipes.
- If you are tapping into your home's water supply line, cut a square hole in the wall large enough to access the cold water supply line and work through. Install an access panel over this hole in case maintenance is needed.
- Drill a 1/4-inch hole in the pipe to run the tubing through. Install a stop tee valve.
- Uncoil and run your water line tubing, starting at the water supply location. As you go, drill holes that are large enough for the line and connector to go through the cabinets, floors, or any other obstacles as needed.
- Every 2 to 3 feet, use a nylon or cable clamp to secure the line to the cabinet or floor joist.
- Avoid any wiring or other plumbing when drilling.
- Place the free end of the tubing into a small bucket or sink and turn on the water supply. Allow water to flush through the tubing until it is clear to prevent possible water valve malfunction.
- Once complete, turn off the water supply and bend the tubing to meet the water line inlet located on the back of the refrigerator cabinet.
- Remove the short, black plastic piece from the end of the water line inlet and connect the water line tubing, tightening the nut into place using a wrench. Be sure not to over-tighten.
- Install a water supply tube clamp around the water supply line to reduce strain on the coupling.
- Locate the water supply valve beneath the sink and turn it back on by twisting it counterclockwise.
- Check for leaks at all connection points of the tubing and tighten the connections as needed.
- Push the unit back into place and reconnect its power supply.
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Maintenance and cleaning
- Unplug the Refrigerator and Shut Off the Water Supply: Start by unplugging your refrigerator from the power outlet. Then, locate the water shut-off valve, typically found on the wall behind the fridge, under the kitchen sink, in a nearby cabinet, or in the basement. Turn off the water supply to the cooling system.
- Disconnect the Water Line: Disconnect the water supply line from the back of the refrigerator. This step may require a simple twist-off, or you might need a screwdriver or pliers, depending on your fridge model. Place a bucket or pan underneath to catch any excess water.
- Clean the Reservoir and Water Dispenser: Remove the bottom reservoir from the refrigerator and empty any remaining water. Sanitize the reservoir by rinsing it with white vinegar. Clean the water dispenser and spout with a vinegar-soaked rag. Allow both components to dry, then wipe them down again with warm, soapy water to remove any residual vinegar.
- Clean the Water Line with Vinegar: Attach a plastic funnel to the reservoir tube and pour white vinegar down the tube to saturate it. If your refrigerator has an ice maker, pour vinegar into the ice maker's dispenser lines as well. Let the vinegar sit for 10 to 20 minutes, using clamps to seal the end and prevent leaks.
- Clean the Ice Tray: Remove the ice tray and soak it in warm, soapy water to ensure any residual vinegar is removed. Rinse the ice tray thoroughly with hot water and let it dry completely before placing it back into the freezer.
- Reassemble and Test: After cleaning, reassemble all the components and turn on the water supply. Make a few batches of ice and dispose of them, as they may have a vinegar taste. Plug your refrigerator back into the power outlet, and your maintenance and cleaning process is complete.
It is recommended to perform this intensive maintenance routine every six to twelve months to prevent bacteria buildup and maintain the quality of your water and ice dispenser. Additionally, when moving your refrigerator for cleaning, be cautious to avoid pinching the plastic hose, as it can cause small leaks. Always consult your refrigerator's manual for specific instructions and safety precautions.
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Frequently asked questions
The stiff plastic hose under your refrigerator is likely the water line or the drain hose. The water line connects your refrigerator to the water supply, while the drain hose is used to drain water from the evaporator coil to a pan under the fridge.
Plastic hoses are commonly used as water lines for refrigerators because they are flexible, easy to install, and budget-friendly. They are also often included as part of ice maker installation kits.
Yes, you can replace the plastic hose with a higher-quality alternative, such as braided stainless steel, which is more durable and less prone to kinking, tears, and leaks.
Replacing the plastic hose with a braided stainless steel hose can provide peace of mind by reducing the risk of leaks and water damage. It is also a good idea to replace the plastic hose if it becomes clogged or damaged over time.
