Hot Water Tap Filter – Limescale & Impurity Removal for Boiling Water Taps
Keep your boiling water tap running smoothly and your water tasting clean with our Hot Water Tap Filter – LS5004051L, specially designed for 3-in-1 and 4-in-1 boiling water taps.
Manufactured using advanced active carbon fiber composite, this filter efficiently removes limescale, bacteria, chlorine, magnesium, calcium, and unpleasant odors from your water. It plays a vital role in preventing scale buildup, protecting your boiler tank, and improving the overall performance of your kitchen water system.




Why Choose Our Hot Water Tap Filter?
✅ Advanced Filtration Technology: Adsorbs and eliminates bacteria, chlorine, sediment, organic compounds, and minerals that cause scale.
✅ Protects Your Boiler System: Prevents limescale and erosion, extending the lifespan of your boiling water tap and tank.
✅ Improves Water Taste: Enjoy fresh, odor-free hot water every time – perfect for drinking, cooking, and making tea or coffee.
✅ Long Lifespan: Each filter lasts up to 12 months or 5,000 liters, depending on water quality and usage.
✅ OEM Manufacturer: Produced by Xiamen Smart Water Technology Co., Ltd., a trusted manufacturer of under-sink water systems and filtration components.
Product Specifications:
| Specification | Details |
|---|---|
| Max Operating Pressure | 0.05 – 0.5 MPa |
| Operating Temperature Range | 5°C – 38°C |
| Water Flow Rate | 3.8 – 5.0 L/min |
| Recommended Lifespan | 12 months or 5,000 Litres |
| Size | 360*114.5 mm |
| Certification | NSF, WRAS, WaterMark |
| Material | Food-grade Active carbon fiber |
This filter is a direct replacement for your existing system. When it's time for a change, your boiling water tank will alert you with a reminder on the display screen.
For optimal performance and to maintain your warranty, it is recommended to replace your hot water tap filter every 6-12 months or as needed based on water conditions.
Applications
- Ideal for 3-in-1 boiling water taps
- Compatible with 4-in-1 kitchen boiling tap systems
- Perfect for residential kitchens, hospitality, and office pantries
How to replace filter cartridge?

Please insert the convex part into the groove and turn clockwise. Once you hear the sound "kata", then the cartridge replacement is completed.
Wholesale & OEM Inquiries Welcome
As a leading OEM manufacturer of boiling water tap filters, we supply to global brands and distributors. Contact us today to discuss bulk orders, customized packaging, or branded solutions for your market.







