JNOD BO Series Electric System Boiler for Underfloor heating & Water Tank
The CE-certified JNOD BO series electric system boiler for underfloor heating & water tank offers efficient 5.5 kW to 26 kW central heating and hot water. This single-heating system includes an integrated circulation pump and expansion vessel, allowing it to control an external hot water cylinder for domestic use.
Equipped with smart WiFi, timer scheduling, double dry-heating protection, and automatic anti-freeze functions, it also serves as a perfect backup heat source for heat pumps in extremely cold climates.
Compact Design
Low Noise Operation
Safe Protection
Constant Temperature
Single Heating System for Constant-temperature Heating
Zero-Flue Electric Heating
This electric heating system eliminates gas pipes and flues. Installers save up to 40% on installation time and costs.
System Hydronic Compatibility
The system operates perfectly within the water supply network, ensuring the stability and reliability of water circulation.
98% Heating Efficiency
High heating efficiency ratings help your business and clients qualify easily for regional green energy financial incentives.
Technical Features and Applications
Core Performance Features
Compact Design: The sleek, wall-mounted frame offers an attractive appearance, making it perfect for modern homes.
Patented Electric Heating Element: Equipped with a unique, high-efficiency heating technology that maximizes energy savings.
Integrated Safety System: Features built-in double dry-heating protection and automatic anti-freezing for enhanced reliability.
- User-Friendly Interface: Comes with intuitive touch keys and a clear LED display for easy operation and monitoring.
Key Applications and Uses
Flexible Hot Water: Works seamlessly with an external buffer tank or cylinder to provide stable domestic hot water.
Smart Auto-Detection: Incorporates advanced diagnostic techniques for automatic fault detection, ensuring simple maintenance.
- Scalable Multi-Unit Linkage: Supports connecting multiple high-power open-vented electric boilers in series to easily meet larger heating demands.
Target Scenarios
Modern Residential Properties: An ideal heating solution for homes requiring high efficiency and clean electric energy.
Versatile Home Heating: Perfectly suited for properties with underfloor heating systems or those needing a flexible radiator layout.
Advanced Safety and Performance Features
This BO series system boiler combines advanced safety protections, double anti-freeze functions, and a complete water-and-electricity separation build. It offers intelligent remote controls and external pump support, ensuring quiet operation and steady warmth throughout your home.
Patented heating element technology
The patented cast-aluminum heating element ensures complete water-electricity separation, preventing limescale and guaranteeing safety. This durable design is perfect for hard water areas and significantly extends the boiler’s lifespan.
Automatic Sterilization Function
In DHW External Cylinder Mode or Automatic Switch Mode, if the boiler has been powered for one week or or afterthe boiler power off then power on again, the boiler will start the tank ster-ilization program. The boiler will heat the water in tank, and the icon will light onwith blue color.
Product Technical Specifications
| Models | BO05 | BO07 | BO09 | BO11 | BO13 | BO14 | BO316 | BO320 | BO323 | BO326 | ||||||
| Power (kW) | 5.5 | 7.5 | 9.5 | 11 | 13 | 14.4 | 16 | 20 | 23 | 26 | ||||||
| Phase | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 3 | |||
| Voltage | 230V | 400V | 230V | 400V | 230V | 400V | 230V | 400V | 230V | 400V | 230V | 400V | 400V | |||
| Rated Current (A) | 23.9 | 3*8 | 32.6 | 3*10.9 | 39.1 | 3*13 | 47.8 | 3*15.9 | 56.5 | 3*18.8 | 62.6 | 3*20.9 | 3*23.2 | 3*29 | 3*33.3 | 3*37.7 |
| Wire Section mm² | 3*4 | 5*1.5 | 3*4 | 5*1.5 | 3*6 | 5*1.5 | 3*10 | 5*2.5 | 3*12 | 5*2.5 | 3*12 | 5*4 | 5*4 | 5*6 | ||
| Working Temp. Range | 30°C~80°C (in radiator model) | |||||||||||||||
| 30°C~55°C (in floor heating model) | ||||||||||||||||
| Max. Water Temperature | 85°C | |||||||||||||||
| Temperature Difference Setting Range | 5~30°C | |||||||||||||||
| Antifreeze Start Temperature | <8°C | |||||||||||||||
| Anti-freezing function stop temp. | ≥10°C | |||||||||||||||
| Capacity of Expansion Tank | 6L | |||||||||||||||
| Product Size (mm) | 600*398*214 | |||||||||||||||
FAQ
The BO series electric system boiler for underfloor heating & water tank is a wall-hung boiler with a single electric heating element. It have a built-in circulation pump and expansion vessel.
Yes, can be co-operated with a DHW buffer tank or cylinder to provide hot water supply function.
The anti-freeze function activates automatically when the temperature drops below 8°C. It stops when the temperature reaches or exceeds 10°C.
Yes. It can be wifi control by connecting with the room thermostat. You can also use Tuya or maxT App control the electric boilers.
BO series electric system boilers can be connected to air-source heat pumps, solar system, underfloor heating systems, radiators, and water tanks.
Stable Supply & Competitive Factory Price
Customized Service & technical support
EU-compliant Heating Solutions
Compact & Easy Installation Design
Serving Global HVAC Business Partners
We provide tailored HVAC solutions for retailers, installers, distributors, projects, and OEM/ODM brands, offering professional services to global partners.
Why Choose JNOD Electric Boiler Solutions
- Designed for European residential heating systems
- No gas, eco-friendly, safer operations
- Compact wall-mounted design
- Long service life patented heating elements
- Over 98% Heating efficiency
- Low maintenance & stable performance
By partnering with us, you will receive：
- Customized product development and design
- Three-year warranty on heating elements and one-year warranty on the entire machine.
- Free parts included with bulk orders.
- Professional technical support – assistance in resolving product-related issues.
- Technical training, including repair manuals and videos.
To ensure long-term cooperation, we offer bulk customers: a wide variety of high-quality products, priority production and service, factory-direct pricing, and more.