Vitocell 340-M

Viessmann Residential
Vitocell 340-M
Buffer tank for water heating

Vitocell 340-M

Multivalent heating water buffer tank with drinking water heating, storage capacity: 400, 750 and 950 liters.

  • Multivalent heating water buffer tank
  • Low space requirement and installation effort
  • Optimal use of solar energy
  • Drinking water corrugated pipe made of stainless steel

Features

Two Functions in One Device

Combines heating water buffer storage and domestic hot water preparation in a single tank, eliminating the need for separate components.

High‑Alloy Stainless Steel DHW Corrugated Pipe

The elastic, stress‑free corrugated pipe, made of high‑alloy stainless steel, ensures hygienic on‑demand DHW heating without stored drinking water.

Optimised Solar Energy Utilisation

Efficient solar use is achieved through targeted cooling in the lower tank section, supported by the large heat exchanger surface of the DHW corrugated pipe.

Solar Divicon Connection Set (Accessory)

Optional connection set with Solar‑Divicon enables simple and clean mounting directly on the Vitocell unit.

Control / Integrations

Seamless Solar Thermal Integration

Designed for efficient operation with Viessmann solar thermal systems for domestic hot water heating.

Multi‑Generator System Compatibility

Suitable for heating systems with multiple heat generators, such as:

Solar thermal systems
Heat pumps
Gas or oil boilers
Biomass heating systems

Flexible Hydraulic Connections

Multiple connection options simplify integration into a wide range of system layouts.

Service‑Friendly Construction

Clear internal structure and integrated components simplify commissioning, inspection, and maintenance.

Technical Documents

Document Name Description Document Type Language Action
Brochure Vitocell storage water heater PDF German Download
Data Sheet Vitocell 340-M/360-M PDF German Download
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Phone

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