110V Microfiber Cushion Hot Water Mat + Boiler Set OTCM-890NT-A
Benefits at-a-Glance
Points | Earn 189.99P |
Shipping | ![]() |
Shipping Area | All regions in the USA |
Storage Method | Refer to the product information below |
Max Purchase Quantity | You can purchase up to 2 items at once. |
Products to buy together
K-Infrared Stone Culture Leader, Onsunnuri
Onsunnuri is a leading electric heating pad brand that conveys the warmth and health of nature through infrared stone heating. Founded in 2005, Onsunnuri launched Omats in 2007 as the "Onsunnuri" brand and has been advancing the globalization of K-infrared stone culture. Starting with 110V electric heating pads, it is preferred worldwide, especially in Canada, New Zealand, and Japan, through official export contracts with local companies. Onsunnuri develops and sells electric heating pads that meet the needs of customers everywhere.
Onsunnuri Always Ponders
"Infrared stone" is the perfect heating culture that God granted to our descendants and humanity through the wisdom of our ancestors. Onsunnuri embraces this wisdom and technology to commercialize and share this radiant heating culture globally. Aiming to become the global No. 1 company in radiant heating and cooling systems, comfort temperature is considered a top priority for human living conditions. Especially, sleeping temperature significantly affects the next day's well-being, and the biggest advantage of infrared stones is the gentle warmth maintained even when turning off the power due to residual heat.
Additionally, scientific evidence suggests that infrared stone heat therapy helps fatigue recovery. Onsunnuri uses yellow soil balls to develop radiant heating mats emitting far-infrared rays. This traditional Korean infrared stone technology provides not only electric heating pads but also various other products.
-
100% Domestic Production
Products manufactured entirely in Korea from raw materials to packaging, ensuring reliability.
-
Export Overseas
Official export contracts finalized with Kukoo Canada, Toyo Japan, and Dasan Holdings New Zealand.
-
2-Year A/S Guarantee
Easy-to-service domestic brand offers 2 years warranty without failures (1 year warranty overseas).
-
Official Service Center
Headquarters A/S center contact: Onsunnuri KakaoTalk channel โOnsunnuriโ Kano321 Tel. 1577-0334
Onsunnuri: The Electric Heating Pad Specialist with History
Creating Warmer Comfort with Advanced Technology
Recommended For
- Those who want to feel as warm as an infrared stone while sitting
- Those who want warmth in the office or study chair
- Those concerned about electromagnetic waves when using heating mats for heating
- Those worried about low-temperature burns
- Those who want to use it even overseas
Onsunnuri Cushion Type Electric Heating Pad OTCM-890NT-A Ultra-fine Heating Stone Type (For Overseas Use)
-
Electrical Safety Certification
Certified for electronic wave compatibility and electrical safety of electrical products
-
Cushion Type Heating Pad
Thick and comfortable cushion-type heating pad
-
10-Step Safety Control System
Multiple safety devices for worry-free use without fire hazards
-
Low Noise for Sleeping
Uses indirect heating method maximizing energy efficiency with minimal noise
-
Power Consumption 350W
Lower power consumption makes usage worry-free
-
Exported Overseas
Over 10 years of overseas export experience (110V for overseas use)
Product Information
- Type: Ultra-fine cushion type heating pad (For overseas use)
- Model: OTCM-890NT-A
- Weight: 3 kg
- Rated Voltage/Power: AC 110V 50~60Hz, 350W
- Pad Size: 500 x 500 x 25 mm
- Water Tank Capacity: 400 ml
- Boiler Size: 160 x 210 x 110 mm / 1.4 kg
- Boiler Type: BLDC motor boiler
- Electrical Safety Certification No.: XH070048-13006B
- Broadcasting Communication Registration No.: MSIP-REM-skb-MOS-4350
- Other Certification Nos.: PSE: KST-S12-0032 / CQC: CQC16008140336
- A/S Phone: 1577-0334
- Manufacturer: Human A&I Co., Ltd. / Korea
* Product volume and weight may vary by ยฑ20%. Please refer to this when purchasing.
Point 1: 110V Exclusive Overseas Use Heating Boiler
Developed exclusively for 110V overseas use, this electric heating boiler is certified by PSE, CE, CB, and CQC for overseas export and use. Please purchase only the "Overseas Use" model for overseas use.
This product is a 110V exclusive product usable only in the specified region. It is shipped as type B (right-side plug). Please note that adapters for different countries need to be purchased separately.
Point 2: BLDC Motor Electric Heating Boiler
Why is the "BLDC motor electric heating boiler" reputed to be good?
First, the internal pipe heats water, and secondly, the water stored in the tank is also heated by a dual indirect heating method allowing faster heat circulation compared to natural circulation electric boilers.
What Is the Difference Between Motor and Natural Circulation?
- Motor Electric Boiler: Dual indirect heating by BLDC motor quickly and powerfully heats water, circulated through the heating hose.
- Natural Circulation Electric Boiler: No motor, water circulates by pressure difference via instantaneous heat.
- Size: Motor 160 x 210 x 110 mm / Natural 290 x 210 x 130 mm
- Weight: Motor 1.4 kg / Natural 1.5 kg
- Voltage: AC 220V 60Hz (Overseas 110V for motor) / AC 220V 60Hz (Overseas 110~240V for natural)
- Power: Motor 350W / Natural 251W (Separate heating 502W)
- Water Tank: Motor 400 ml / Natural 550 ml
- Noise: Motor small noise during operation / Natural almost no noise
Point 3: Noise Reduction Using V-Type Ceramic Bearing
Using diamond-hard special PIVOT V-type ceramic bearing for automatic connection to the device minimizes boiler noise with minimal contact and rotation, preventing motor seizure issues from long-term use.
What Is Motor Seizure?
Repeated prolonged use and storage causes foreign substances, rust, scale, etc., creating noise and motor performance degradation (pumping loss) in the motor drive shaft.
Point 4: Safety from 10-Step Safety System
The most important consideration in manufacturing Onsunnuri heating pads is "Safety." The robust 10-step safety system alerts the user via warning sound and error code in case of system failure or program error.
- Overcurrent fuse: Automatically cuts off in overload
- Bimetal: Cuts off power when overheating
- Temperature sensor: Maintains set temperature
- Water shortage sensor: Stops if water is insufficient
- Self-diagnosis mode: LED display error code when abnormal
- Anti-freeze: Stops operation below set temperature
- Fire prevention: Automatic power cut when hot
- Electric power safety switch: Automatically cuts power in case of shock or movement
- Pump safety: Stops motor and repeats automatic stop if overworked
- Safety cover: Prevents hand contact with water tank
Certified and Verified #Verified Onsunnuri Electric Heating Boiler!
- Safety Confirmation Certificate (Application No.: XH070048-13006B) from Korea Testing & Research Institute
- Broadcasting Communication Equipment Registration (Application No.: MSIP-REM-SKB-MOS-4350) from National Radio Research Agency
- Quality Certification (Application No.: G158-2011-007) from Korea Testing & Research Institute
- Japan Electrical Product Certification (Application No.: KST-S12-0032)
Certified Durable Hose!
Passed durability testing with over 40,000 bends with no abnormalities. Environmentally friendly and free of harmful substances such as heavy metals. Safe without hose clogging or kinks.
Durability Test: >40,000 bends without issue
Point 5: Automatic Power-saving Feature Using Only 5W Upon Temperature Reach
Equipped with an advanced microchip that maintains set temperature using only about 5W power, minimizing heating costs.
How to Use the Heating Boiler
- Loosen the hose nut: Press the hose cover, then turn the nut counterclockwise to unscrew.
- Insert hose: Push heating pad hose into nut inlet in the direction of narrowing. (Warm water makes insertion easier.)
- Connect hose and boiler: Push hose onto nipple and tighten nut clockwise. (Be careful tightening to avoid burns.)
Onsunnuri Heating Padsโ Exclusive Design and Convenience
-
01 Precise 1-Degree Unit Control
Adjustable by 1ยฐ increments
Notice: Avoid long use at high temperature to prevent burns. Temperature range: 25~80ยฐC
-
02 Velvet-Like Soft Ultra-fine Fabric
Made with high-quality ultra-fine fabric featuring excellent density and sheen for a luxurious feel and warmth retention.
-
03 Thick Cushion Feel
Thick cushion retains warm comfort with less hardening over long use and clean finishing adds elegance.
-
04 Anti-slip Backing
Features anti-slip backing to minimize movement. (Pattern may vary.)
#PriceSatisfaction #QualitySatisfaction #EnvironmentalSatisfaction - ISO Certified for Customer Trust
What Is ISO Certification?
ISO certification ensures compliance with international standards, product maintenance, management, and commitment to environmentally friendly business practices. It is a certification for companies meeting these standards.
Onsunnuri, The Heating Pad Specialist with History
Onsunnuri is a brand started based on various customer feedback to offer good products at reasonable prices. Within varied product selections, Onsunnuri focuses on safe ingredients, materials, and reasonable prices without markup. It is a brand that reflects customers' perspectives.
6 consecutive years selected as a premium brand & hit product for heating pads by:
- Maeil Business Newspaper - Best Company (SME)
- Korea Daily - Korea First & Brand Premium Certification
- Kookmin Ilbo - Best Company (SME)
FAQ: Important Before Purchasing
-
Error stating water shortage when first turning on power?
When first using, connect hose with power off, then turn on power and add water slowly. About 1 to 1.3 liters is needed since water circulates inside the mat.
-
Should the heating boiler be at the same height as the mat?
If hose bends or kinks, place the boiler parallel or below the mat for best use.
-
Hose is bent but still warm when lying down?
Use a pad or thin blanket on top for better warmth since heat is radiated; exposure to air cools faster.
-
Power turns off automatically?
Built-in level stabilizer may shut off power if placed unevenly on carpet or towel.
Onsunnuri Electric Heating Pads vs Electric Heaters
Explore the comparison
California Proposition 65
This warning is provided in accordance with California law. For more information, please visit www.p65Warnings.ca.gov/food
Review

Some reviews contain AI-generated translations.