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How to Install a Drop-In Waterfall Kitchen Sink

How to Install a Drop-In Waterfall Kitchen Sink

Yu Dowler|

Ready to upgrade to a luxurious drop-in waterfall kitchen sink? These elegant sinks combine style with functionality, featuring a cascading faucet that creates a beautiful water flow effect. While the installation might look complex, we'll break it down into simple, manageable steps.

This guide will walk you through how to install a drop-in kitchen sink from preparation to final connections, including all the accessories like pull-out faucets, glass rinsers, and purification systems. Let's dive in!


Tools & Materials Checklist

Essential Tools:

  • Jigsaw (for cutting countertop)
  • Adjustable wrench
  • Screwdriver (Phillips & flathead)
  • Silicone caulk gun
  • Tape measure & pencil
  • Bucket & towels

Included Components:

  1. Waterfall sink (80×45×22cm)
  2. Pull-out faucet & water console
  3. Glass rinser & water inlet hose
  4. Purification faucet
  5. Strainer console
  6. Sink strainer & basket
  7. Drain coupling & garbage disposer
  8. Overflow hose & washer
  9. Drain hose & connector
  10. Angle valves
  11. Counterweight box
  12. Chopping board & basin
  13. Water supply hoses (hot/cold)


Step-by-Step Installation Guide

Step 1: Prepare the Countertop

  • Mark the cutout area (slightly smaller than sink's external dimensions)
  • Cut carefully with a jigsaw - go slow for clean edges
  • Test-fit the sink before proceeding

Pro Tip: Apply silicone sealant around the edge for waterproofing before setting the sink.

Step 2: Install the Pull-Out Faucet System

  1. Connect 3 water supply hoses (⑮) to water console (②)
  2. Feed hoses through sink hole
  3. Secure with:
  • Black rubber washer
  • Metal washer
  • Brass C-shaped lock nut

Step 3: Attach Counterweight & Spray Hose

  • Connect pull-out spray hose to short water supply hose
  • Install counterweight box (⑪) by:
  1. Loosening screws
  2. Inserting spray hose
  3. Tightening screws
Attach Counterweight & Spray Hose

Step 4: Install Glass Rinser

  1. Place transparent washer (③) on rinser bottom
  2. Insert into sink hole
  3. Secure from below with:
  • White nut (③)
  • Water inlet hose (③)
Install Glass Rinser

Step 5: Mount Purification Faucet

  1. Place thick black washer (④) around hole
  2. Insert faucet through washer
  3. Secure underneath with:
  • Second black washer
  • White nut
  • Hose connector
Mount Purification Faucet

Step 6: Install Drainage System

  1. Place strainer basket (⑥) in sink
  2. Add black rubber washer underneath
  3. Secure central strainer by rotating
  4. Attach strainer console (⑤)
Install Drainage System

Step 7: Connect Plumbing

  1. Rotate drain coupling (⑦) onto strainer
  2. Attach garbage disposer (⑦)
  3. Connect overflow hose (⑧) with:
  • Blue rectangle washer
  • Secure with bolt
Connect Plumbing

Step 8: Final Connections

  1. Connect drain hose (⑨) to sewer system
  2. Attach water supply hoses to angle valves (⑩)
  • Blue = cold water
  • Red = hot water

      3. Turn on water and test all functions

Final Connections


Pro Tips for Perfect Installation

 Seal all connections - Use plumber's tape for threaded joints
 Check for leaks - Run water for 5 minutes inspecting all joints
 Balance water pressure - Adjust angle valves if flow is uneven
 Secure heavy components - Counterweight box prevents hose sagging

 

Maintenance & Care

🔹 Weekly cleaning - Use mild detergent, avoid abrasives
🔹 Monthly checks - Inspect washers and connections
🔹 Avoid extreme temps - No boiling water directly in sink
🔹 Clean aerators - Remove mineral buildup monthly

 

FAQs

Q: Can I install this without professional help?
A: Yes, if comfortable with basic plumbing. For complex setups, consult a plumber.

Q: What if my countertop material is fragile?
A: Reinforce cut edges with waterproof sealant before installation.

Q: How do I adjust water flow intensity?
A: Use the angle valves to regulate pressure for perfect waterfall effect.

Q: Why is my spray hose retracting slowly?
A: Check counterweight box alignment and hose for kinks.

 

Conclusion

Now you know exactly how to install a drop-in kitchen sink with all its advanced features! From the stunning waterfall faucet to the convenient glass rinser, your new sink will be both beautiful and functional.

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