Vitocal 150-A Standard (A04 230V V105) 4kW

Description

The Vitocal 150-A range represents Viessmann’s next generation of air-to-water heat pumps, combining high efficiency, quiet operation and environmentally conscious design.

This 4kW Standard variant is a monobloc system suitable for:

• Domestic heating systems

• Renovation projects

• Radiator or underfloor heating applications

• Cooling operation (system dependent)

• Domestic hot water production when used with a compatible cylinder

Designed for Renovation & Higher Flow Temperatures

The Vitocal 150-A range is engineered to support higher flow temperatures, making it particularly well suited to properties upgrading from traditional boiler systems.

Climate-Focused Design

Using natural R290 refrigerant, this model supports lower environmental impact while maintaining strong performance.

Hydro AutoControl® Integration

Viessmann’s patented hydraulic system simplifies installation and commissioning while ensuring stable system operation across varying heating demands.

Quiet, Reliable Operation

Designed for low sound levels and long-term reliability, the Vitocal 150-A is built to deliver dependable performance in residential applications.

Technical Information

For full technical specifications, dimensional drawings, performance data and installation guidance, please refer to the downloadable product documentation available on this page.

System Overview

• The outdoor unit extracts heat from the air.
• The indoor unit contains the hydraulics, controls, and connections to the heating system.