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Item #:
208358803
opti 12kW 208V 2.5GPM Electric Tankless Water Heater
89% of respondents would recommend this to a friend
Item #:
208358803
BTN 55995
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Thursday, October 08
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Delivers continuous hot water for 3-showers and 2-sink and 1-Appliance used concurrently.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Energy Efficiency
Utilizes advanced technology to heat water instantaneously, leading to lower energy consumption and reduced utility bills compared to traditional tank heaters.
Compact Design
Its sleek and space-saving design allows for easy installation in tight areas, making it perfect for modern homes and apartments.
Consistent Hot Water
Delivers a continuous flow of hot water at 2.5 GPM, ensuring comfort during multiple uses without waiting for reheating, ideal for families with high hot water demands.
Product Details
| Power Source | ac |
| Special Features | Anti-Freezing Protection, Dry Combustion Protection, Integrated Error Code Indicator, Overheat Protection, Self-Modulating |
| Wattage | 12000 watts |
| Flow Rate | 2.5 gpm |
| Maximum Temperature | 105 u00b0F |
| Efficiency | 99.9% |
| Maximum Pressure | 150 psi |
| Mount Type | Wall |
| Capacity | 2.54 gallons |
| Item Dimensions W x H | 11.5"W x 12.5"H |
| Material Type | Aluminum, Brass, Copper |
| Brand Name | Optimal |
| Model Number | opti12 |
| Number of Items | 1 |
| Manufacturer | Its Optimal |
| UPC | 860010792605 |
| Global Trade Identification Number | 00860010792605 |
| Included Components | Tankless Water Heater, Owners Manual, Mounting Template, Mounting Hardware |
| Color | White |
| Style Name | 12Kw |
| Brand | Optimal |
| Product Dimensions (L x W x H) | 11.5"W x 12.5"H (29.2 x 31.8 cm) |
| Special Feature | Anti-Freezing Protection, Dry Combustion Protection, Integrated Error Code Indicator, Overheat Protection, Self-Modulating See more |
Who Should Buy?
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Small Apartments
Ideal for small living spaces needing instant hot water without taking up significant storage space.
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Eco-Conscious Users
Perfect for users seeking energy-efficient solutions to reduce energy costs and carbon footprint.
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Low-Flow Needs
Suitability for households with lower hot water demands, like single showers or sinks.
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Large Families
May struggle to meet hot water demands for multiple simultaneous uses in larger households.
Product Description
opti 12kW 208V 2.5GPM Electric Tankless Water Heater
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What areas does the Opti27 support for water heating?
Answer: The Opti27 supports homes with 3-4 bathrooms in warm climates or can serve as a point of use in colder climates. -
Question:
How does the warranty work?
Answer: It comes with a 25-year residential warranty and a 5-year commercial warranty, covering all components and ground shipping. -
Question:
What technology does the Opti27 use for efficient heating?
Answer: It uses patented ultrasonic flow sensing technology, advanced power modulation, and built-in diagnostics for optimal performance.
Optimal Water Heaters opti12 Editorial Review
opti18 opti 18kW 240V 3.7GPM Electric Tankless Water Heater is an impressive solution for on-demand hot water, offering features such as anti-freezing and overheat protection, ensuring reliable performance. Users have highlighted the innovative self-modulating technology that adjusts energy use based on water demand, making it not only efficient but also cost-effective over time. The heater's compact size makes it ideal for installations in tight spaces, such as attics, which can be a challenge with traditional water heaters. Reviews emphasize the exceptional customer support provided by the company, citing positive interactions and quick problem resolution as standout features when seeking assistance. Overall, this unit is commended for its ease of installation and effective operation in homes with multiple bathrooms.
Customer Reviews & Ratings
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Pros
- Efficient self-modulating technology for hot water
- Compact size fits in tight spaces
- Exceptional customer support experience
- Easy installation process reported by users
- Long lifespan with a 25-year warranty
Cons
- Minor adjustments may be needed during installation.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
BTN 55995
Order now and get it around Thursday, October 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Lifetime warranty ensures long-term investment protection.
- Heats water efficiently at 27 kW for endless hot water.
- Patented ultrasonic flow sensing technology provides smart control.
- Supports multiple showers and sinks concurrently without running out.
- Compatible with Wi-Fi and smartphone apps for easy control.
- Compact wall-mounted design saves space in your home.
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.