Vitocal 333-G

Viessmann Heat Pumps
Vitocal 333-G
Brine/Water Heat Pump

Vitocal 333-G

Brine-water heat pump compact unit with a storage capacity of 220 litres.

  • Nominal heat output: 1.7 to 11.4 kW
  • Integrated hot water tank
  • High efficiency
  • Barely audible

Vitocal 333-G

High efficiency thanks to modern inverter technology: Vitocal 333-G

Compact, floor-standing heat pumps with a small footprint and particularly low noise – also suitable for installation close to the living room.

Vitocal 333-G

Nominal Heat Output

Heating output from 1.7 to 11.4 kW, ideal for single‑family homes and low‑energy residential buildings.

High Domestic Hot Water Comfort

Integrated 220‑litre hot water tank ensures excellent DHW availability while eliminating the need for a separate cylinder.

Optimised Use of Self‑Generated PV Electricity

Deep power modulation allows increased use of electricity generated by photovoltaic systems, reducing grid dependency.

Low Operating Costs through High Seasonal Efficiency

Seasonal Coefficient of Performance (SCOP) up to 5.5 (EN 14825, cold climate, low‑temperature application).

Integrated Vitotronic Control Unit

The Vitocal 333‑G features an integrated Vitotronic control system with plain‑text and graphic display, offering intuitive and centralised system management.

All‑in‑One System Control

Controls:

Space heating
Cooling
Domestic hot water (DHW)
Compatible mechanical ventilation units

Web‑Enabled via Vitoconnect (Accessory)

With Vitoconnect, the system can be connected to the internet, enabling:

Remote operation
System monitoring
Service access
via the ViCare app.

High Operating Convenience

Clear menus, logical structure, and centralised control ensure ease of use for homeowners and efficient commissioning for installers.

Document Name Description Document Type Language Action
Data Sheet Technical data PDF English Download
Brochure Vitocal 333-G PDF English Download
Technology brochure Heating with air and geothermal energy PDF English Download
What is the Vitocal 333‑G used for?

It is a ground source (brine‑to‑water) heat pump designed for space heating, cooling, and domestic hot water in residential buildings.

What is the heating output range?

The Vitocal 333‑G delivers a nominal heating output of 1.7 to 11.4 kW, making it suitable for energy‑efficient single‑family homes.

Does the Vitocal 333‑G include a hot water tank?

Yes. It includes an integrated 220‑litre DHW tank, providing high hot water comfort without requiring additional storage space.

Can the Vitocal 333‑G provide cooling as well as heating?

Yes. The system supports cooling operation (depending on system design), offering year‑round indoor comfort.

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