Supply Lines & Appliance Connections
From toilets and faucets to dishwashers, refrigerators, and ice makers, reliable supply lines are essential for delivering water safely to household fixtures and appliances. Explore guides on water supply lines, supply hoses, water line connectors, toilet supply lines, dishwasher water lines, ice maker supply lines, and braided stainless steel hoses. Learn about common supply line sizes, connection types, installation, replacement, and choosing the right connector for hot and cold water applications.
Common Supply Line & Appliance Connection Types
| Connection Type | Primary Use |
|---|---|
| Faucet Supply Line | Connects a water shutoff valve to a faucet |
| Toilet Supply Line | Connects a water shutoff valve to a toilet fill valve |
| Washing Machine Hose | Connects hot and cold water supply valves to a washing machine |
| Dishwasher Supply Line | Connects the household water supply to a dishwasher |
| Ice Maker Supply Line | Connects a water supply to a refrigerator or ice maker |
| Flexible Appliance Connector | Provides a flexible water connection for compatible household appliances |
Note: Supply line and appliance connector requirements vary by fixture, appliance, and manufacturer. Always verify the intended application, required connection sizes, and product specifications before purchase or installation.
Common Supply Line Connection Sizes & Terms
| Connection Term | What It Means | Common Applications |
|---|---|---|
| 3/8" OD Compression | Compression connection sized by the tubing outside diameter | Faucet supply lines, angle stops, and fixture connections |
| 1/2" FIP / FNPT | Female pipe-thread connection | Faucets, valves, adapters, and fixture connections |
| 1/2" MIP / MNPT | Male pipe-thread connection | Threaded fittings, adapters, and appliance transitions |
| 3/4" GHT | Garden Hose Thread connection | Washing machine hoses and hose connections |
| Ballcock Thread | Threaded connection designed for a toilet fill valve | Toilet supply lines |
| Compression | Mechanical connection using a nut and compression component | Fixture supply lines and compatible tubing |
| OD | Outside Diameter | Used to identify certain tubing and compression connection sizes |
Note: Nominal pipe size, outside-diameter compression size, and hose-thread size use different sizing conventions. For example, a 3/8" OD compression connection and a 3/8" nominal pipe connection are not the same. Always verify the required connection type as well as the listed size.
How to Choose Supply Line Length
| Selection Step | What to Check | Why It Matters |
|---|---|---|
| Measure the Connection Distance | Measure between the supply valve or outlet and the fixture or appliance connection | Establishes the minimum connector length required |
| Allow Gentle Flexibility | Choose enough length for the connector to form a smooth, natural curve | Helps avoid tension on the connector and fittings |
| Avoid Excess Length | Avoid unnecessary loops or excessive slack | Reduces clutter and unnecessary bending |
| Check Both End Connections | Confirm the size and connection type at both ends | Prevents selecting a connector with incompatible fittings |
| Check Available Space | Make sure the connector can route naturally behind or below the fixture or appliance | Helps prevent sharp bends and kinks |
| Check Product Application | Confirm the connector is designed for the intended fixture or appliance | Ensures the connector is appropriate for the installation |
Note: Do not stretch, sharply bend, twist, crush, or kink a flexible supply connector. Always follow the connector and appliance manufacturer's installation requirements.
A corrugated hose is a flexible connector designed to carry water, gas, or other fluids while resisting pressure, temperature changes, corrosion, and repeated bending. This guide explains how corrugated tubing and corrugated metal hoses are constructed, the differences between stainless steel and plastic options, and how they are used as water line connectors in water supply lines, drainage systems, and other plumbing piping applications.
The cost to install a new toilet depends on whether the project is a straightforward replacement or requires additional plumbing work. This guide covers new toilet installation costs and the factors that can affect the final price, including toilet removal, labor, the condition of toilet supply lines, supply hoses and shut-off valves, as well as repairs or replacement of existing plumbing components.
A refrigerator needs an ice maker water line when its automatic ice maker or built-in water dispenser relies on the home's plumbing supply. This guide explains how an ice maker supply line works, the common 1/4-inch ice maker line size, and how to choose an ice maker hose, water line connector, and shut-off valve. It also covers basic refrigerator water line installation and when an older supply line should be replaced.
A dishwasher installation typically uses both a dishwasher supply line to bring clean water into the appliance and a dishwasher drain hose to carry wastewater to the sink drain or garbage disposal. This guide explains how to install or replace dishwasher hoses, connect the dishwasher water line and drain outlet, and choose a durable braided stainless steel supply line, hose clamps, and compatible fittings for a reliable kitchen plumbing connection.
Related Products
$3.73 each
$35.44 box of 10
$3.54
each
BOX UP & SAVE 5%
$7.66 each
$72.77 box of 10
$7.27
each
BOX UP & SAVE 5%
$2.93 each
$27.84 box of 10
$2.78
each
BOX UP & SAVE 5%
$8.60 each
$81.70 box of 10
$8.17
each
BOX UP & SAVE 5%
$28.86 each
$274.17 box of 10
$27.41
each
BOX UP & SAVE 5%
