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VaillantflexoTHERM exclusive VWF 197/4

Vaillant flexoTHERM exclusive VWF 197/4
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The Vaillant flexoTHERM exclusive VWF 197/4 is a heat pump with SCOP (35 °C) 4.88 and refrigerant R410A.1,2

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SCOP (35 °C)
4.881

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Refrigerant
R410A1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
19.62kW1
Official source
Rated output 55 °C
19.94kW1
Official source

Technical specifications

General
Type (source) Ground source1
Compressors 11
Capacity control keine1
Performance
Rated output 35 °C 19.62 kW1
Rated output 55 °C 19.94 kW1
Efficiency
SCOP (35 °C) 4.881
SCOP (55 °C) 3.751
Seasonal efficiency ηs 35 °C 187 %1
Seasonal efficiency ηs 55 °C 142 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , 2
Noise
Indoor unit sound power 48 dB(A)1
Refrigerant
Refrigerant R410A1
Refrigerant GWP 2,0882
Refrigerant charge 3.95 kg1
Electrical
Max. power input 8.8 kW1
Connectivity & smart
SG Ready Yes1

Variants

This model is registered in 2 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • flexoTHERM exclusive VWF 197/4
  • VWF 197/4

Manufacturer documentation

  • Product page (vaillant.de)
  • Brochure / leaflet — Produktinfo Wärmepumpe flexoTHERM exclusive (vaillant.de, PDF)
  • Manual — Installations- und Wartungsanleitung flexoTHERM exclusive VWF 57/4, VWF 87/4 (kontakt.vaillant.de, PDF)

External links to Vaillant's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

What is the SCOP (35 °C) of the Vaillant flexoTHERM exclusive VWF 197/4?

The SCOP (35 °C) of the Vaillant flexoTHERM exclusive VWF 197/4 is 4.88.1,2

Which refrigerant does the Vaillant flexoTHERM exclusive VWF 197/4 use?

The refrigerant of the Vaillant flexoTHERM exclusive VWF 197/4 is R410A.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 29 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026