Product Overview & Application Area
The HKS Lazar InterFire 11 Automatic is a water-bearing pellet boiler for central heating systems. The documented version offers 12 kW nominal heat output with an output range of 3.6–12.0 kW. The specific boiler sizing is based on heating load, building condition and system configuration. Automatic adds automatic ash removal; the lambda sensor remains standard. Equipment level with automatic ash removal.
Technology & Equipment
The technical equipment includes automatic ignition, automatic cleaning function as per the documented version, lambda sensor, Class 5. Variants may differ in hopper size, side position or comfort equipment; the version selected in the shop is decisive.
Everyday Advantages
The controlled pellet operation enables demand-based heat supply with clearly defined operating, cleaning and maintenance procedures. The actual operating effort depends on fuel quality, annual operating hours and equipment level.
System Integration & Compatibility
The pellet boiler is integrated into a water-bearing heating system. Buffer storage tank, return temperature raising, domestic hot water preparation, hydraulics, chimney and combustion air must be designed on a project-specific basis in accordance with the manufacturer's documentation and applicable regulations.
Technical Data at a Glance
ManufacturerHKS LazarModelInterFire 11 AutomaticNominal heat output12 kWOutput range3.6–12.0 kWCondensing efficiency104.4 %Energy efficiency classA+Boiler classClass 5Max. flow temperature85 °C
Installation
Setup, hydraulic integration, electrical supply, combustion air and chimney connection must be planned and carried out by qualified specialist personnel in accordance with the manufacturer's documentation and local regulations. Before commissioning, safety devices, system pressure, return temperature and the flue gas path must be checked.
Notes
The funding label is only applied when there is an exact match to the official BAFA list currently being used. The technical planning does not replace a heating load, hydraulic or chimney calculation.
Scope of delivery
1 × pellet boiler in the selected version
Variant-specific selected tank or scope of equipment, insofar as it is part of the offered variant
Storage tanks, flue gas systems, installation services and accessories not expressly mentioned are not included