If you do not know where the pipe is located, ask your contractor, a former resident, or landlord. You will need to install a cold water line for either a refrigerator ice maker or an under-counter ice maker.
You can purchase a saddle valve at any hardware store.
You will feel less resistance once the needle pierces through the pipe.
Add an extra 6–8 feet (1. 8–2. 4 m) of tubing to allow for cleaning and maintenance. [4] X Research source
Coil extra tubing neatly behind your fridge.
If your ice maker does not come with the appropriate piece, consult the refrigerator manual to see what size fitting you should use.
You should also leave a clearance of 2–3 inches (5. 1–7. 6 cm) between the top of the counter and the machine, and the same between the sides of the enclosure and the machine. An ice maker would be well-located under your kitchen cabinet to the side of your sink or refrigerator.
You can purchase an ice maker at a hardware store or department store.
To make this connection simple, drill dime-sized holes into the sides of your cupboard with an electric drill to easily thread the copper tubing through it. Wear safety goggles and gloves to protect your eyes and hands from any wood particles that may fly into the air while you do this.
