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STIEBEL ELTRONWPL-A 13.2 Plus HK 400

STIEBEL ELTRON WPL-A 13.2 Plus HK 400
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The STIEBEL ELTRON WPL-A 13.2 Plus HK 400 is an air-to-water heat pump with a SCOP of 4.89 (35 °C) and a sound power level of 45 dB(A).1,2,3

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SCOP (35 °C)
4.891

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

Heating capacity (A7/W35)
5.79kW3
Official source
Outdoor unit sound power
45dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Heating capacity (A7/W35) 5.79 kW3
Rated output 35 °C 14.58 kW1
Rated output 55 °C 14.84 kW1
Min. outdoor temperature -22 °C3
Efficiency
SCOP (35 °C) 4.891
SCOP (55 °C) 41
Seasonal efficiency ηs 35 °C 193 %1
Seasonal efficiency ηs 55 °C 157 %1
Energy label 35 °C A, , , 3
Energy label 55 °C A, , , 3
COP A7/W35 5.411
COP A2/W35 4.411
COP A-7/W35 3.111
Noise
Outdoor unit sound power 45 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 33
Refrigerant charge 2.15 kg1
Electrical
Max. power input 8.61 kW1
Connectivity & smart
SG Ready Yes1
Grants & market
ISDE grant (NL) 4,150 €2

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:

  • WPL-A 13.2 Plus HK 400
  • WPL-A 13.2 W Plus HK 400

Manufacturer documentation

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

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Frequently asked questions

Which refrigerant does the STIEBEL ELTRON WPL-A 13.2 Plus HK 400 use?

The STIEBEL ELTRON WPL-A 13.2 Plus HK 400 uses R290.1,2,3

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026
  3. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026