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Vitotrans 353

Viessmann Residential
Vitotrans 353
Freshwater Module

Vitotrans 353

Viessmann Vitotrans 353 – Freshwater Module
High‑performance freshwater module for instantaneous DHW heating, delivering draw‑off rates up to 68 l/min, designed for hygienic hot water preparation, compact installation, and seamless integration with modern heating systems.

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Features

Performance & Capacity

Instantaneous DHW heating principle Draw‑off rate up to 68 l/min (depending on model) Fresh hot water available at all times No DHW storage required

Hygienic Hot Water Preparation

Instantaneous heating eliminates stagnant water Reduces risk of bacterial growth Ideal for applications with high hygiene requirements

Installation Flexibility

Suitable for wall mounting or cylinder mounting Pre‑installed module simplifies installation Control unit and high‑efficiency circulation pump are factory‑integrated and pre‑connected Quick and straightforward installation

Compact Design

Space‑saving construction Easy integration into existing heating systems Optimized for use with heating water buffer cylinders

Cascade Capability

Multiple modules can be connected in cascade No additional external control unit required Supported cascade types: PBMA PBMA‑S PBLA PBLA‑S Ideal for higher hot water demand applications

Low‑Temperature System Compatibility

Low flow temperature requirement Perfectly suited for: Low‑temperature heating systems Solar thermal systems Supports energy‑efficient system design

Control / Integrations

Integrated Control & Pump System

The Vitotrans 353 includes a factory‑integrated control unit and high‑efficiency circulation pump, ensuring optimized operation without the need for additional components.

System Integration

Designed to work seamlessly with:
Heating water buffer cylinders
Low‑temperature heat generators
Solar thermal systems
Cascade operation supported without external controllers

Technical Documents

Document Name Description Document Type Language Action
Datasheet - Vitotrans 353 PDF Russian Download
KPR Vitotrans-353 PDF German Download

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