RINNAI ZEN-29 Indoor / Outdoor Combination Boiler (29kW)

£1,200.00

ZEN-29 (Natural Gas)
ZEN-29 (LPG)
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INNAI ZEN-29 Combination Boiler (29kW) | Indoor & Outdoor Combi Boiler UK

🔥 RINNAI ZEN-29 Combi Boiler – Smart, Efficient & Versatile Heating

The RINNAI ZEN-29 Combination Boiler (29kW) is a highly efficient and compact heating solution designed for small to medium-sized properties with one bathroom. Combining both a water heater and central heating system in one unit, this advanced combi boiler delivers instant hot water and reliable heating without the need for a storage tank.

With WiFi-enabled smart controls, flexible indoor or outdoor installation, and an impressive 98% efficiency rating, the ZEN-29 stands out as a modern, cost-effective heating solution for UK homes and businesses.


⭐ Key Features & Benefits

  • 29kW Output: Ideal for small to medium homes with one bathroom
  • Indoor & Outdoor Installation: Flexible setup options
  • Combi Boiler Design: Heating and hot water in one compact unit
  • 98% Efficiency: Reduces energy consumption and running costs
  • WiFi Smart Controls: Control your heating via app or thermostat
  • Instant Hot Water: No need for cylinders or storage tanks
  • Compact & Space-Saving: Perfect for modern properties
  • Fast Heating Mode: Rapid hot water supply when needed
  • Pre-Heat Function: Reduces water waste and improves efficiency

🏡 Ideal Applications

The RINNAI ZEN-29 combi boiler is perfect for:

  • Flats and apartments
  • Small to medium-sized homes
  • Single bathroom properties
  • Offices and small commercial units
  • Installations requiring outdoor mounting

⚙️ Technical Specifications

  • Model: RINNAI ZEN-29
  • Output: 29 kW
  • Boiler Type: Combination (Combi) Boiler / Can be configured as System Boiler
  • Fuel Type: Gas
  • Installation: Indoor / Outdoor
  • Hot Water Supply: Instant (no storage required)
  • Efficiency: Up to 98%
  • Flue Type: 60/100 coaxial condensing flue

💧 Advanced Hot Water Performance

The ZEN-29 delivers precise temperature control for different uses:

  • High temperature (60°C): Ideal for kitchen use
  • Low temperature (32°C): Perfect for wash hand basins
  • Heating output (60–70°C): Efficient central heating

Water is heated directly from the mains, eliminating the need to store hot water and reducing energy waste.


📱 Smart Controls & Energy Management

The Rinnai ME controller gives you full control over your heating system:

  • WiFi-enabled with mobile app (iOS)
  • Built-in eco mode for energy savings
  • Energy usage monitoring
  • Includes room thermostat & temperature controller
  • Easy-to-use interface for total comfort control

🌦️ Built-in Smart Features

  • Weather Compensation: Automatically adjusts heating output based on outdoor conditions
  • Fast Heating Mode: Provides rapid hot water supply
  • Pre-Heat Function: Minimises water waste and improves efficiency

🔧 Installation Flexibility

  • Suitable for both indoor and outdoor installation
  • External setups require:
    • Storm collar protection, or
    • Flue passing through roof with proper sealing

This flexibility makes the ZEN-29 ideal for a wide range of property types.


📊 Why Choose the RINNAI ZEN-29 Boiler?

The ZEN-29 is designed for maximum efficiency, convenience, and smart control.

Key advantages:

  • Eliminates need for water storage tanks
  • Reduces installation complexity
  • Provides instant hot water on demand
  • Smart technology for better energy management
  • Cost-effective compared to traditional systems

🌍 Energy Efficient & Cost-Effective Heating

With an efficiency rating of up to 98%, the RINNAI ZEN-29 helps reduce energy bills while lowering environmental impact. It’s an excellent choice for homeowners looking to upgrade to a smarter, greener heating system.


💬 Why Buy from Energy Fuel UK?

  • Competitive pricing on RINNAI boilers
  • Expert advice and support
  • Fast delivery across the UK & Ireland
  • Trusted supplier of heating solutions
  • Reliable after-sales service

❓ Frequently Asked Questions (FAQs)

Is the RINNAI ZEN-29 suitable for outdoor installation?
Yes, it is designed for both indoor and outdoor use.

Does it require a hot water cylinder?
No, it provides instant hot water directly from the mains.

Can it be used as a system boiler?
Yes, it can be configured as a system boiler if required.

Is it suitable for multiple bathrooms?
It is best suited for single bathroom properties.


📞 Get a Quote Today

Looking for the RINNAI ZEN-29 Combination Boiler (29kW)?
Contact Energy Fuel UK today for expert advice, competitive pricing, and fast delivery across the UK and Ireland.

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