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Why Choose a Liliumfaucet 3 Way Faucet?
Three Water Functions
Hot, cold, and filtered drinking water come from one 3 way kitchen faucet.
Cleaner Sink Area
No separate drinking water tap is needed, keeping your countertop clean and simple.
Separate Filtered Line
Filtered drinking water flows through its own line, separate from regular tap water.
Under-Sink Filter Ready
Designed for many under-sink water filters and compatible RO water systems.
Flexible Faucet Design
Choose pull-out or dual-handle styles for easier control and daily kitchen use.
Brass & Low-Lead Safety
Solid brass body, Italian cartridge, low-lead water contact, and CE standard design.
What Is a 3 Way Faucet?
A 3 way faucet, also called a 3 way filter faucet, or 3 in 1 kitchen faucet, is a kitchen faucet that provides three water functions from one tap: hot water, cold water, and filtered drinking water.
It is commonly used with an under-sink water filter or RO system. Instead of installing a separate drinking water faucet, a 3 way faucet combines regular tap water and filtered drinking water into one main kitchen faucet.
This makes it a practical choice for modern kitchens, apartments, and Kitchen remodeling projects where homeowners want a cleaner sink design and easier access to filtered water.
It is commonly used with an under-sink water filter or RO system. Instead of installing a separate drinking water faucet, a 3 way faucet combines regular tap water and filtered drinking water into one main kitchen faucet.
This makes it a practical choice for modern kitchens, apartments, and Kitchen remodeling projects where homeowners want a cleaner sink design and easier access to filtered water.
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How Does a 3 Way Kitchen Faucet Work?
A 3 way kitchen faucet usually connects to three water lines: hot water, cold water, and filtered water. The hot and cold water lines are used for regular tap water, while the filtered water line connects to your under-sink water filter or RO system.
Many 3 way faucets use a dedicated internal waterway for filtered drinking water. This means filtered water has its own path inside the faucet, helping keep it separate from regular hot and cold tap water.
This design is especially useful for customers who want filtered water directly from the main kitchen faucet without adding another tap beside the sink.
Many 3 way faucets use a dedicated internal waterway for filtered drinking water. This means filtered water has its own path inside the faucet, helping keep it separate from regular hot and cold tap water.
This design is especially useful for customers who want filtered water directly from the main kitchen faucet without adding another tap beside the sink.
3 Way Faucet vs Separate Drinking Water Tap
3 Way Faucet
A 3 way faucet replaces your main kitchen faucet and provides hot water, cold water, and filtered drinking water from one tap. It usually uses the main faucet installation hole, so there is no need to install an extra small filter tap on the sink or countertop.
This design helps save space, keeps the countertop cleaner, and creates a more modern kitchen appearance. It is ideal for modern kitchens, kitchen renovations, apartments, and homes that want a more elegant filtered water solution.
This design helps save space, keeps the countertop cleaner, and creates a more modern kitchen appearance. It is ideal for modern kitchens, kitchen renovations, apartments, and homes that want a more elegant filtered water solution.
Separate Drinking Water Tap
A separate drinking water tap is installed beside your main kitchen faucet and is used only for filtered drinking water. In this setup, the main faucet provides hot and cold tap water, while the separate small faucet provides filtered water.
This usually requires an additional hole on the sink or countertop. It can work for simple filter systems, but having two faucets takes up more space and may make the sink area look crowded and less organized.
This usually requires an additional hole on the sink or countertop. It can work for simple filter systems, but having two faucets takes up more space and may make the sink area look crowded and less organized.
How to Choose the Right 3 Way Faucet
When choosing a 3 way kitchen faucet, consider your sink size, kitchen style, filter connection, installation space, and daily water use. A 3 way faucet is designed for hot water, cold water, and filtered drinking water, making it a clean and practical choice for kitchens with an under-sink water filter or compatible RO system.
Choose a pull-out 3 way faucet if you want more flexibility for rinsing dishes, washing vegetables, filling pots, and cleaning the sink area. The pull-out hose makes daily kitchen tasks easier, especially for larger sinks and busy kitchens.
Choose a black 3 way faucet for modern kitchens, dark countertops, matte black cabinet hardware, or minimalist kitchen designs. Black finishes can create a bold and premium look.
Choose a brushed 3 way faucet for stainless steel sinks, neutral kitchens, and clean modern interiors. A brushed finish is easy to match with many kitchen appliances and cabinet handles.
Choose a chrome 3 way faucet if you want a classic, bright, and easy-to-match faucet style. Chrome works well in both traditional and modern kitchen spaces.
If you need more water functions beyond hot, cold, and filtered water, you can also consider a 4 way faucet or 5 way faucet. These options are suitable for customers who want filtered water together with sparkling water, chilled water, or more advanced under-sink water systems.
Choose a pull-out 3 way faucet if you want more flexibility for rinsing dishes, washing vegetables, filling pots, and cleaning the sink area. The pull-out hose makes daily kitchen tasks easier, especially for larger sinks and busy kitchens.
Choose a black 3 way faucet for modern kitchens, dark countertops, matte black cabinet hardware, or minimalist kitchen designs. Black finishes can create a bold and premium look.
Choose a brushed 3 way faucet for stainless steel sinks, neutral kitchens, and clean modern interiors. A brushed finish is easy to match with many kitchen appliances and cabinet handles.
Choose a chrome 3 way faucet if you want a classic, bright, and easy-to-match faucet style. Chrome works well in both traditional and modern kitchen spaces.
If you need more water functions beyond hot, cold, and filtered water, you can also consider a 4 way faucet or 5 way faucet. These options are suitable for customers who want filtered water together with sparkling water, chilled water, or more advanced under-sink water systems.
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Connection Size Guide
For customers in the United States and Canada, Liliumfaucet provides 3/8" compression hoses for standard kitchen shut-off valves.
For customers in Australia, the United Kingdom, France, Poland, and many other countries, G1/2" connections are usually more common for hot and cold water supply lines.
For some European countries where customers choose the 3/8" connection size, we also provide the corresponding G3/8" European standard hoses to match the installation requirement.
The filtered drinking water line usually connects with a 1/4" quick fitting.
For customers in Australia, the United Kingdom, France, Poland, and many other countries, G1/2" connections are usually more common for hot and cold water supply lines.
For some European countries where customers choose the 3/8" connection size, we also provide the corresponding G3/8" European standard hoses to match the installation requirement.
The filtered drinking water line usually connects with a 1/4" quick fitting.
Installation Notes
A 3 way faucet is usually installed as a replacement for your main kitchen faucet. In most cases, it does not require a separate hole for filtered water because filtered drinking water is built into the main faucet design.
Before installation, please check the following details:
Sink or Countertop Hole Size
The recommended installation hole diameter is 35 mm. Please confirm that your sink or countertop opening matches the faucet installation requirement.
Under-Sink Installation Space
Make sure there is enough space under the sink for the faucet hoses, filtered water connection, and your under-sink filter or RO system.
Hot and Cold Water Connection Size
Please check the size of your under-sink shut-off valves. The hot and cold water connections are usually G1/2" or 3/8", depending on your country or plumbing standard.
Filtered Water Outlet Connection
The filtered drinking water line usually uses a 1/4" hose, which is a common international connection size. Liliumfaucet provides quick fittings for easy connection.
For the LM-3346 model, the filtered water connection uses a threaded connector instead of the standard quick fitting.
Stable Water Pressure and Flow
Please make sure your under-sink filter or RO system provides suitable water pressure and stable water flow. When the water pressure and flow are stable, the faucet output will also be more consistent.
If you are not familiar with faucet installation, we recommend asking a local plumber to install it. This helps ensure the hot water, cold water, and filtered water lines are connected correctly.
Download Installation Manual
Before installation, please check the following details:
Sink or Countertop Hole Size
The recommended installation hole diameter is 35 mm. Please confirm that your sink or countertop opening matches the faucet installation requirement.
Under-Sink Installation Space
Make sure there is enough space under the sink for the faucet hoses, filtered water connection, and your under-sink filter or RO system.
Hot and Cold Water Connection Size
Please check the size of your under-sink shut-off valves. The hot and cold water connections are usually G1/2" or 3/8", depending on your country or plumbing standard.
Filtered Water Outlet Connection
The filtered drinking water line usually uses a 1/4" hose, which is a common international connection size. Liliumfaucet provides quick fittings for easy connection.
For the LM-3346 model, the filtered water connection uses a threaded connector instead of the standard quick fitting.
Stable Water Pressure and Flow
Please make sure your under-sink filter or RO system provides suitable water pressure and stable water flow. When the water pressure and flow are stable, the faucet output will also be more consistent.
If you are not familiar with faucet installation, we recommend asking a local plumber to install it. This helps ensure the hot water, cold water, and filtered water lines are connected correctly.
Customer Reviews
Love the product, great quality and value for money. The customer support was extraordinary helpfull and forthcomming. I will definitely visit this shop again.
I am so happy that I found this tap online. I had no success finding anything like it at various plumbing shops as it needed the filter component also. Was easy to install although we did employ a plumber to do it, but it didn’t take him long. Would definitely recommend
The quality was great. Easy to install and good spray pressure. Having 3 way mixers is great.
Why Buy a 3 Way Faucet from Liliumfaucet?
Liliumfaucet focuses on multifunctional kitchen faucet solutions for filtered water, sparkling water, chilled water, and modern kitchen upgrades. Our 3 way faucet collection is designed for customers who want a cleaner sink area, easier access to filtered drinking water, and a more integrated kitchen design.
Most Liliumfaucet 3 way faucets are made with a high-quality solid brass body, offering a heavier feel, better durability, and a more premium hand feel compared with lightweight faucet materials. The low-lead water-contact design makes them suitable for daily filtered drinking water use.
Our 3 way faucets use mechanical control handles for a more durable and high-end operating experience. The smooth handle control, solid body weight, and refined surface finish help create a more reliable and premium kitchen faucet solution.
We also offer newly launched stainless steel 3 way faucet options. These models are clearly marked as stainless steel in the product title. Stainless steel 3 way faucets are usually more affordable and have a brighter appearance, making them a practical choice for customers who prefer a clean, modern look at a lower cost.
Different finishes are available to match a wide range of kitchen interiors, including chrome, brushed, black, and gold. If you are not sure which model, material, or connection size is right for your kitchen, our support team can help confirm before ordering.
Most Liliumfaucet 3 way faucets are made with a high-quality solid brass body, offering a heavier feel, better durability, and a more premium hand feel compared with lightweight faucet materials. The low-lead water-contact design makes them suitable for daily filtered drinking water use.
Our 3 way faucets use mechanical control handles for a more durable and high-end operating experience. The smooth handle control, solid body weight, and refined surface finish help create a more reliable and premium kitchen faucet solution.
We also offer newly launched stainless steel 3 way faucet options. These models are clearly marked as stainless steel in the product title. Stainless steel 3 way faucets are usually more affordable and have a brighter appearance, making them a practical choice for customers who prefer a clean, modern look at a lower cost.
Different finishes are available to match a wide range of kitchen interiors, including chrome, brushed, black, and gold. If you are not sure which model, material, or connection size is right for your kitchen, our support team can help confirm before ordering.
3 Way Faucet FAQs
What is a 3 way faucet?
A 3 way faucet is a kitchen faucet that provides hot water, cold water, and filtered drinking water from one tap. It is also called a 3 way kitchen faucet, 3 way filter faucet, or 3 in 1 kitchen faucet.
Does a 3 way faucet need an extra hole?
Usually no. A 3 way faucet is designed to replace your main kitchen faucet and provide filtered water through the same faucet body. This helps avoid installing a separate drinking water tap.
Does filtered water mix with regular tap water?
Many 3 way faucets use a separate drinking water channel for filtered water. This helps keep filtered water separate from regular hot and cold tap water.
Can a 3 way faucet connect to an under-sink water filter?
Yes. A 3 way faucet is designed to connect to hot water, cold water, and a separate filtered water line from an under-sink filtration system.
Can I use a 3 way faucet with an RO system?
In many cases, yes. Compatibility depends on your RO system outlet size, water pressure, and flow rate. If you are unsure, please send us a photo of your RO outlet connection before ordering.
What is the difference between a 3 way faucet and a 4 way faucet?
A 3 way faucet usually provides hot water, cold water, and filtered drinking water. A 4 way faucet may add another water function, such as chilled water or Sparkling water option, depending on the system design.
What connection size do I need in the United States or Canada?
For the United States and Canada, Liliumfaucet provides 3/8" compression hoses for standard kitchen shut-off valves. The filtered water line usually uses a 1/4" quick fitting.
What connection size is common in the UK, Australia, and Europe?
For Australia, the United Kingdom, France, Poland, and many other countries, G1/2" connections are usually more common for hot and cold water supply lines.
Is a pull-out 3 way faucet better?
A pull-out 3 way faucet is a good choice if you want more flexibility for rinsing dishes, washing vegetables, and cleaning the sink. It is especially useful for larger sinks and busy kitchens.
How do I know which 3 way faucet is right for my kitchen?
Choose based on your sink size, kitchen style, finish preference, and filter connection. If you are unsure, contact Liliumfaucet support before ordering and we can help confirm the best option.