Drip… drip… drip… That sound in the middle of the night isn’t just irritating — it’s a sign your tap needs attention. A leaking faucet is one of the most common plumbing problems in Singapore homes, and 9 times out of 10, it’s caused by a worn-out washer.
The good news? You don’t always need to call a plumber. Replacing a tap washer is a simple, low-cost fix you can do yourself, as long as you have the right tools and a little guidance.
In this guide, we’ll walk you through the process of changing a faucet washer, the tools you’ll need, common mistakes to avoid, and when it’s best to leave it to the professionals.
Key Takeaways
- A leaking tap is often caused by a worn-out washer, which can be easily replaced with the right tools.
- Always shut off your water supply before starting repairs.
- Follow a step-by-step process to remove, replace, and reassemble the faucet parts.
- If leaks persist, it could indicate a deeper problem, like a faulty valve seat.
- Don’t hesitate to call a professional plumber in Singapore for fast, stress-free solutions.
Table of Contents
Why Faucets Leak — And When It’s the Washer’s Fault
Most faucets work by using a rubber or silicone washer that presses against a valve seat to stop water flow when turned off. Over time, with frequent use, these washers wear out, crack, or harden, leading to drips and leaks.
Signs You Need to Replace Your Washer:
- The tap keeps dripping even after it’s fully closed
- You hear a squeaking sound when turning the handle
- Water leaks from the base of the handle
- The faucet feels loose or wobbly
These symptoms often point to a tap washer as the primary culprit, rather than the entire faucet.
Tools You’ll Need to Replace a Faucet Washer
Before you start, gather these tools:
🧰 Checklist:
- Adjustable wrench or spanner
- Flat head screwdriver
- Replacement faucet washers (match size/type — often ½” or ¾”)
- Old cloth or towel
- Pliers (optional)
- Silicone grease (optional for smoother operation)
- WD 40 (if you have stuck components)
💡 Where to Buy in Singapore: You can get washers and tools at places like Selffix, Horme Hardware, Shopee, or your neighborhood hardware store.
Step-by-Step Guide: How to Replace a Faucet Washer
Now let’s dive into the DIY part. This process applies to most compression-type faucets commonly found in HDB flats, condos, and landed homes in Singapore. The specific faucet type can be identified by examining the tap handle mechanism.
Step 1: Turn Off the Water Supply
Look under the sink for the shut-off valve and turn it clockwise. If you’re working on the cold water line specifically, ensure you locate the correct valve. If there’s no valve, you may need to shut off the main water supply to your home.
👉 Pro tip: Open the faucet to let out any remaining water and relieve pressure.
Step 2: Plug the Sink Drain
Drop something down the sink and you’ll be digging in the P-trap. Use a cloth, drain stopper, or plug to block the drain and avoid losing screws or washers.
Step 3: Remove the Faucet Handle
Unscrew the tap handle using a flat head screwdriver. Some taps may have a cap on the top hiding the screw — pry it off gently.
Once removed, you’ll see the valve assembly and spindle underneath.
Step 4: Unscrew and Remove the Valve Assembly
Use your adjustable wrench to loosen and remove the valve. Be gentle — avoid using excessive force, as this could damage the tap threads.
Step 5: Replace the Washer
At the bottom of the valve assembly, you’ll find a washer secured with a small screw. Unscrew it, remove the old one, and pop in the new one of the same size.
📌 Important: Make sure the new washer sits snugly and flat. If it’s loose, it may cause continued leaks.
Step 6: Reassemble the Faucet
Screw the valve assembly back in place. Reattach the handle, tighten the screw, and remove the drain cloth.
Now slowly turn the water supply back on.
Step 7: Test It Out
Turn the tap on and off a few times. No more dripping? Great job — you’ve just fixed your faucet!
If it still leaks, don’t worry — we’ll cover that next.
What If It’s Still Leaking?
If your faucet still drips after washer replacement, the issue might be:
🔸 Damaged O rings 🔸 A worn-out valve seat 🔸 A cracked valve stem or cartridge
At this point, it can be more efficient to:
- Replace the entire tap (especially for older models)
- Call a professional plumber in Singapore for a full diagnostic and repair
Tap Maintenance Tips to Prevent Future Leaks
💧 Regular tap care can prolong its lifespan and save water:
✅ Don’t overtighten the tap when turning it off
✅ Use gentle pressure — avoid slamming the handle
✅ Clean the aerator every 3–6 months
✅ Schedule annual plumbing inspections
✅ Use high-quality washers or ceramic disc taps for better longevity
Remember, Singapore’s PUB promotes water conservation, and fixing a dripping tap can save up to 36 litres of water per day.
When to Call a Professional Plumber
If you’re unsure about the washer size, the valve is stuck, or your tools aren’t working correctly, to avoid damaging your faucet or pipes. After completing basic troubleshooting, if you still encounter issues, professional help is recommended.
🚿 Direct Plumber SG is here to help. We offer fast, affordable, and professional faucet repair services throughout Singapore, including HDB flats, condominiums, and commercial spaces.
👉 Call us now or book a free quote online. We’ll stop that drip in no time.
