Vitocal 333-G

Viessmann Light Commercial
Vitocal 333-G
Brine/Water Heat Pump

Vitocal 333-G

Viessmann Vitocal 333‑G – Compact Ground Source Heat Pump with Integrated DHW Cylinder
High-efficiency brine-to-water heat pump featuring inverter-driven technology, an integrated 220‑litre domestic hot water tank, heating and cooling capabilities, and exceptionally quiet operation. Delivering 1.7 to 11.4 kW, it is ideal for energy-efficient homes and new-build projects.

Features

  • Integrated 220‑Litre Hot Water Cylinder

    Built-in domestic hot water storage tank High hot water comfort Draw-off volume exceeding 300 litres at 40°C Domestic hot water temperatures up to 60°C No electric reheating required under normal operation
  • Advanced Inverter Technology

    Variable-capacity operation Matches output precisely to heat demand Reduced start/stop cycles Improved seasonal efficiency Lower operating costs Available modulation ranges: 1.7 to 8.6 kW 2.4 to 11.4 kW
  • Outstanding Energy Efficiency

    SCOP up to 5.5 COP up to 4.8 (B0/W35) Optimized annual performance Reduced electricity consumption Lower lifetime operating costs
  • Compact Space-Saving Design

    Footprint under 0.5 m² Suitable for utility rooms and technical spaces More usable floor space inside the building Ideal for modern residential construction

Technical Documents

Document Name Description Document Type Language Action
Brochure PDF German Download

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