Rinnai N1300E External Condensing Gas Water Heater (LPG & Natural Gas) – 35L/Min | Energy Fuel UK

Are you searching for a reliable and high-performance external gas water heater? The Rinnai N1300E External Condensing Gas Water Heater is an energy-efficient solution designed to provide continuous hot water on demand. Perfect for outdoor installation, this compact unit delivers up to 35 litres per minute, making it ideal for residential properties, commercial applications, and off-grid installations across the UK and Ireland.

At Energy Fuel UK, we offer the Rinnai N1300E at competitive prices for both wholesale and retail customers, along with expert advice and fast nationwide delivery.

The Rinnai N1300E is the perfect blend of efficiency, comfort, and value. This tankless water heater uses natural gas to provide an endless supply of hot water with a maximum flow rate of 35 litres per minute. Its high-efficiency condensing design captures heat from exhaust gases, recycling it back into the system for enhanced energy savings.

• Built-in Temperature Control: Easily adjust the hot water temperature to your desired level.
• Advanced Safety Features: Equipped with overheat protection and flame failure detection for added peace of mind.
• Compact Size: Ideal for both residential and commercial applications, ensuring easy installation.

Energy Efficiency Rinnai N1300E External Condensing Gas Water Heater

The Rinnai N1300E is designed to be cost-effective, providing more hot water while using less energy. This results in lower utility bills, making it an efficient choice for your hot water needs.

Rinnai water heaters are the pinnacle of commercial water heating, offering fully modulating, fully condensing continuous flow systems with durable stainless steel heat exchangers. The Rinnai N1300E features a 13:1 turndown ratio, providing consistent performance and efficiency.

Available in 47kW variants for both internal and external wall mounting, this A-rated range can deliver flow rates exceeding 1500 litres of temperature-accurate hot water per hour.

• No of shower heads    

• Increased performance and efficiency (96% gross efficiency)
• 13:1 turndown ratio – optimising gas useage
• Easy integration to Building Management Systems and remote monitoring capability
• Optional Controller can be connected for setting alternate temperatures
• Stainless steel heat exchanger offers increased durability and warranty
• Rinnai commercial water heaters are supplied in Natural Gas only.
• For LPG requirements, an LPG conversion kit will be supplied free of charge with a Natural Gas water heater
• LPG conversions must only be carried out by a Gas Safe Registered engineer.
• Rinnai Water Heater Manual

🔧 Key Features of the Rinnai N1300E: Rinnai N1300E External Condensing Gas Water Heater

• ✅ Outdoor Installation: Perfect for properties where internal space is limited or for external boiler replacements.

• ✅ High Flow Rate: Continuous supply of hot water at up to 35L/min—suitable for medium to large homes and commercial use.

• ✅ Condensing Efficiency: Advanced condensing technology reduces energy consumption and carbon emissions, lowering your utility costs.

• ✅ Dual Fuel Compatibility: Can be used with LPG or natural gas, making it ideal for both urban and rural/off-grid properties.

• ✅ Weatherproof Housing: Engineered for outdoor durability in the UK climate—reliable year-round operation.

• ✅ Compact & Lightweight: Wall-mounted design saves space and simplifies installation for plumbers and heating engineers.

🌍 Applications:

• Residential homes with high water demand

• Commercial kitchens and cafés

• Caravan parks and mobile homes

• Agricultural buildings

• Off-grid properties using LPG

• Hotels, gyms, and leisure facilities

W1300E(N)-NAT : Natural Gas water heater

W1300E(N)-LPG : Conversion of Nat Gas water heater required

Pre-packaged Plant Room Solution

Our condensing Rinnai water heaters can also be supplied as a pre-packaged plant room solution with multiple water heaters installed in a modular frame, together with pre-built pipework and connections :-

• Offers increased flow rate
• Can meet the supply of the most demanding applications
• Reduce customer down-time significantly
• Reduces on-site installation time significantly

SEE PRE-PACKAGED SOLUTIONS IN-STORE FOR MORE INFORMATION

Search other Rinnai Water Heating Solutions:
Rinnai N1300i
Rinnai N1300e
Rinnai N1600i
Rinnai N1600e

Technical Specs

💼 Why Choose Energy Fuel UK?

• Trusted UK supplier of Rinnai gas water heaters

• Serving both retail and wholesale customers

• Fast delivery across the UK and Ireland

• Full range of internal & external water heaters, spare parts, and accessories

• Expert technical advice for installers and specifiers

Conclusion

If you’re looking for an efficient and reliable way to heat your home or business’s water supply without breaking the bank, the Rinnai N1300E External Condensing Gas Water Heater is the perfect choice. Its advanced safety features and high-efficiency design ensure you get the best value for your investment.

👉 Explore more about the Rinnai N1300E and other heating solutions at Energy Fuel UK today!

👉 Explore our full range of Gas Water Heaters for every application.

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