Vitosol 141-FM

Viessmann Solar Thermal Energy
Vitosol 141-FM
DHW Solar Package

Vitosol 141-FM

The Vitosol 141-FM drinking water solar package from Viessmann uses free solar energy efficiently and economically to heat water.

  • Absorber area: 4.02 m²
  • ThermProtect
  • 250 Litre Storage Water Heater
  • Integrated solar control

Vitosol 141-FM

The Vitosol 141‑FM is a compact solar thermal package for domestic hot water (DHW) heating, designed to deliver low energy costs, simple installation, and reliable solar performance. It combines area‑optimised flat‑plate collectors, a corrosion‑protected storage tank, and pre‑assembled solar control components into a space‑saving, ready‑to‑install solution.
This package is ideal for single‑family homes and residential projects seeking an efficient and straightforward entry into solar water heating.

Vitosol 141-FM

Low Energy Costs

Solar water heating significantly reduces the energy required for domestic hot water, lowering operating costs.

Easy System Connection

Designed for quick and straightforward connection to the storage water heater, reducing installation time.

ThermProtect Absorber Layer

The collector’s ThermProtect coating protects against overheating during high solar gain periods, improving reliability and longevity.

Corrosion‑Protected Storage Tank

The storage cylinder is made of steel with Ceraprotect enamelling, ensuring long service life and hygienic hot water storage.

Solar‑Divicon Pump Station

Factory‑assembled pump station ensures reliable hydraulic integration and simplified installation.

Integrated Solar Control Logic

Automatically manages temperature differentials, pump operation, and system safety.

Domestic Hot Water Integration

Designed specifically for solar domestic hot water heating, ensuring efficient heat transfer to the storage tank.

Service‑Friendly Design

Pre‑assembled components and clear system layout simplify commissioning, servicing, and maintenance.

Document Name Description Document Type Language Action
Brochure Vitosol 141‑FM PDF German Download
What is the main purpose of the Vitosol 141‑FM?

It is designed to provide solar‑assisted domestic hot water heating, reducing conventional energy consumption.

Why is ThermProtect important in a solar system?

ThermProtect prevents overheating during periods of high solar radiation, improving system safety and durability.

Does the solar package operate automatically?

Yes. Once installed, the integrated solar control manages operation automatically without daily user intervention.

Who should choose the Vitosol 141‑FM?

It is ideal for homeowners who want:

Lower hot water energy costs
Compact solar technology
Easy installation
Reliable and efficient solar DHW heating

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Viessmann’s Vitosol 141-FM hot water solar battery efficiently and economically uses free solar energy to heat the DHW.

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and information

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    calculation analysis, and technical data required for project design.

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    scheduled maintenance, and genuine spare
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