UL Certified Heater for Under Sink Hot Water Tank Systems
Reliable. Safe. Instant Hot Water-Exactly When You Need It.
Xiamen Smart Water Technology Co., Ltd. is a professional under sink hot water tank manufacturer and an experienced ODM partner behind many leading international drinking water system brands. Our UL certified heater is designed to deliver instant, precise hot water while meeting the highest North American safety standards.
This compact 2.4L under sink hot water tank fits neatly beneath the sink and provides stable hot water from 45°C to 98°C(113°F to 208°F)-no waiting, no wasted water, no compromise on safety.
On-Demand Hot Water, Without the Wait
Traditional systems waste time and water while hot water travels from a distant heater. Our UL certified under sink hot water tank installs directly at the point of use, delivering hot water in seconds.
- Instant hot water at the faucet
- No flushing cold water down the drain
- Up to 60 cups of hot water per hour
- 24-hour standby with low energy loss
This makes it ideal for kitchens, offices, pantries, break rooms, and light commercial applications.
UL Certified Heater – Safety You Can Trust
Safety is non-negotiable for global brands. This heater is UL Listed, meeting strict electrical and thermal safety requirements for the U.S. and international markets.
Built-In Safety Protections
- UL certified heating system
- Dual temperature sensors prevent overheating
- Water level sensor prevents dry firing
- UL & CSA approved temperature and pressure relief valve
- Encased heating element avoids direct water contact
These features ensure stable performance, longer service life, and lower after-sales risk for ODM partners.
Precise Temperature Control, Easy Operation
The heater features 14 preset temperature levels( 45 - 55 - 65 - 75 - 85 - 90 - 91 - 92 - 93 - 94 - 95 - 96 - 97 - 98 ) controlled by a back-lit dial, allowing users to fine-tune water temperature from 45°C to 98°C, with accuracy within ±1.0°C.
Whether for tea, coffee, cooking, or sanitation, users always get the right temperature-no guessing.
Compact Under Sink Design, Simple Installation
Designed specifically for under-sink environments, this UL certified under sink hot water tank saves valuable cabinet space and installs quickly.
- Standard 1/2" NPT connection
- Plugs directly into a 120V outlet
- Shelf, wall, or floor mounting options
- Suitable for in-line use or standalone point-of-use heating
No special tools or complex plumbing required.
Durable Stainless Steel Tank, Built for Long-Term Use
The internal tank is lined with SUS 304 stainless steel, offering excellent corrosion resistance and leak prevention. The encased heating element reduces mineral buildup, especially important in hard water regions.
Combined with foam insulation and efficient reheating, this design supports stable temperature and long-term reliability.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | UL Certified Under Sink Hot Water Tank |
| Capacity | 2.4 Liters |
| Heating Power | 1300 W |
| Voltage | 120 V |
| Temperature Range | 45°C – 98°C (113°F to 208°F) |
| Temperature Accuracy | ±1.0°C |
| Max Pressure | 150 PSI |
| Tank Material | SUS 304 Stainless Steel |
| Mounting Type | Wall / Floor / Shelf |
| Dimensions | W197 × D197 × H293 mm |
| Certifications | UL Listed, CSA T&P Valve |
| Warranty | 2 Years |
Flexible Applications for Brands and OEM Projects
- Under sink boiling water systems
- Filtered drinking water solutions
- Office pantry hot water systems
- Kitchen instant hot water taps
- In-line booster for central water heaters
This flexibility makes the product highly attractive for ODM customization and private labeling.
Why Brands Choose Xiamen Smart Water Technology
- Proven under sink hot water tank manufacturer
- UL certified heater designs ready for North American markets
- ODM experience with international brands
- Stable quality control and scalable production
- Long product life cycle with low service risk
We don't just supply products-we help brands succeed in competitive markets.
FAQs – UL Certified Heater & Under Sink Hot Water Tank
Is this heater UL certified for North America?
Yes. The heater is UL Listed and designed to meet U.S. safety requirements.
Can it be used as an in-line booster?
Yes. It can operate independently or as an in-line booster to a larger water heater.
How fast does it reheat?
The 1300 W heating element provides rapid recovery, producing up to 60 cups per hour.
Is it safe for long-term standby use?
Yes. Foam insulation and intelligent sensors support 24-hour standby with minimal energy loss.
Can this be customized for ODM projects?
Absolutely. Branding, appearance, specifications, and packaging can all be customized.
Looking for a UL certified heater or a reliable under sink hot water tank manufacturer for your brand?
Xiamen Smart Water Technology Co., Ltd. offers proven ODM solutions trusted by international drinking water system brands.
Visit www.kitchenwatertap.com to discuss ODM manufacturing, wholesale supply, or distribution partnerships.
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