compact pellet boiler Thermoflux Interio 18 kW

2025-09-08T08:14:08+02:00

Vendor: Thermoflux
Type: Pellet boiler
Price: 3700.00

Thermoflux Interio 18 kW – compact pellet boiler for small boiler rooms

Product description

The Thermoflux Interio 18 kW is a compact pellet boiler, Ideal as an auxiliary boiler or for small boiler rooms. Thanks to its space-saving design and integrated pellet silo, it can be easily integrated into existing heating systems without requiring a large installation space.

The fully automatic combustion ensures comfortable operation with consistently high performance, while the robust design enables long-lasting use.

Advantages

Its compact dimensions and integrated pellet silo save space and simplify installation. Automatic controls reduce daily maintenance and ensure efficient heat supply.

More Advantages include eligibility for KfW funding., the already installed expansion vessel and the charging pump; an optional retrofittable internet module enables additional monitoring and control functions.

Technical information

Power output range: 5–18 kW; Efficiency: 89.7%; Water capacity: 33 l; Chimney draft: 5 Pa; Flue pipe connection: 80 mm; Exhaust gas temperature: 160 °C.

Pellet silo volume: 42 kg; Pellet consumption: approx. 1.5–3.5 kg/h. Dimensions (H/W/D): 1280/615/790.5 mm; Weight: 237 kg.

Areas of application and integration

The Interio is particularly suitable for residential buildings, holiday properties, or as a supplement to existing boilers in renovated buildings. Its compact design makes it attractive for installation in small boiler rooms or utility rooms.

Thanks to standardized connections, the boiler can be easily integrated into central heating systems and combined with buffer storage tanks or solar systems.

Installation and operation

The boiler comes with an integrated expansion vessel and charging pump, which reduces installation effort. During installation, ensure the required flue pipe diameter (80 mm) and the necessary chimney draft of 5 Pa.

The automatic burner control ensures safe ignition and flame monitoring; the compact design also facilitates service access and maintenance work.

Maintenance and service

Regular ash cleaning and periodic inspection of the combustion chamber are recommended to ensure consistently high efficiency. Maintenance intervals and scope depend on operating hours and pellet quality.

The optional internet module allows for monitoring of operational data and rapid detection of fault messages, further minimizing maintenance effort and downtime.

Promotion and accessories

The Thermoflux Interio is eligible for KfW funding., This can reduce investment costs. Useful accessories include an internet module and supplementary control and security packages.

Conclusion

The Thermoflux The Interio 18 kW offers a space-saving, high-performance solution for small heating systems and auxiliary units. Its high efficiency, fully automatic operation, and factory-installed expansion vessel and charging pump make it an economical and easy-to-integrate choice.

Technical data

Power range 5-18kW

Efficiency 89.7%

Water capacity 33l

Chimney draft 5 Pa

Flue pipe connection 80mm

Exhaust gas temperature 160°C

Pellet silo volume 42kg

Pellet consumption approx.1.5-3.5 kg/h

Height/Width/Depth 1280/615/790.5mm

Weight 237kg