Ferroli KALIS 34 C Condensing Boiler

The Ferroli Kalis 34 C (Ref. 695W00344) is a wall-mounted condensing boiler with high performance and large hot water production capacity, ideal for spacious homes or properties with multiple bathrooms. It combines state-of-the-art condensing technology with a compact, efficient, and quiet design.

What’s included

• Ferroli Kalis 34 C boiler
• Flue outlet chimney (concentric kit)
• Installation and user manual

Key features

• High DHW capacity for simultaneous use at multiple water points.
• Superior efficiency thanks to condensing technology with up to 109% efficiency (LHV).
• Stainless steel heat exchanger resistant to corrosion and with a long service life.
• Digital display for easy control and operation diagnostics.
• Low noise level ensures comfort in any room.
• Compatible with natural gas or propane via conversion kit.

Main technical data

• Heating output: 30 kW usable.
• DHW output: 34 kW.
• Approximate DHW flow rate: ~19.5 l/min at ΔT 25 °C.
• Efficiency (LHV): up to 109 %.
• Dimensions (height × width × depth): 700 × 400 × 250 mm.
• Weight: 30 kg.
• NOx class: 6 (low pollutant emissions).
• Noise level: ~50 dB(A).
• Power supply: 230 V / 50 Hz.
• Flue outlet: horizontal or vertical via concentric duct (kit included).
• Gas type: natural (convertible to propane).

Installation and compatibility

• Installation and commissioning by an authorized professional.
• Compatible with Ferroli modulating thermostats and remote controllers.
• Complies with European ErP regulations for energy efficiency and low emissions.

Recommended for

• Large homes or properties with multiple bathrooms.
• Installations requiring higher DHW flow rate and consistent performance.
• Renovations or replacements where maximum efficiency and durability are desired.