Heat pumps · UK

Mitsubishi ElectricNX2-W-G06 /H -D 0042

The Mitsubishi Electric NX2-W-G06 /H -D 0042 is a heat pump with SCOP (35 °C) 6.29 and refrigerant R454B.1

Key figures

SCOP (35 °C)
6.291

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

Refrigerant
R454B1
Official source
Type (source)
Water-to-water1
Official source
Rated output 35 °C
63.3kW1
Official source
Rated output 55 °C
58.8kW1
Official source
UK

Rules in the UK

Boiler Upgrade Scheme

Not eligible

Fixed grant in England and Wales, deducted from your installer’s quote. £9,000 when replacing oil or LPG off the gas grid (until March 2027). Scotland: Home Energy Scotland grant instead.3,4

  • Must be MCS-certified (product and installer). Check the Ofgem product eligibility list.
  • Rated output 63.3 kW; the scheme covers systems up to 45 kW.
  • SCOP at 55 °C: 4.48. The installed system needs a SCOP of at least 2.8 (MCS calculation).
Heat pump grants in the UK explained →

Technical specifications

General
Type (source) Water-to-water1
Compressors 21
Capacity control leistungsstufen1
Performance
Rated output 35 °C 63.3 kW1
Rated output 55 °C 58.8 kW1
Efficiency
SCOP (35 °C) 6.291
SCOP (55 °C) 4.481
Seasonal efficiency ηs 35 °C 243 %1
Seasonal efficiency ηs 55 °C 171 %1
Noise
Indoor unit sound power 74 dB(A)1
Refrigerant
Refrigerant R454B1
Refrigerant charge 3.4 kg1
Electrical
Max. power input 18.7 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:

  • NX2-W-G06 /H -D 0042
  • NX2-W-G06 /H 0042

Frequently asked questions

What is the SCOP (35 °C) of the Mitsubishi Electric NX2-W-G06 /H -D 0042?

The SCOP (35 °C) of the Mitsubishi Electric NX2-W-G06 /H -D 0042 is 6.29.1

Which refrigerant does the Mitsubishi Electric NX2-W-G06 /H -D 0042 use?

The refrigerant of the Mitsubishi Electric NX2-W-G06 /H -D 0042 is R454B.1

How much Boiler Upgrade Scheme grant can you get for the Mitsubishi Electric NX2-W-G06 /H -D 0042?

Probably none. Rated output 63.3 kW; the scheme covers systems up to 45 kW.1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. Boiler Upgrade Scheme: what you can get — GOV.UK · accessed 27 Sept 2026
  3. Boiler Upgrade Scheme: guidance for installers (V5) — Ofgem · accessed 27 Sept 2026
  4. Boiler Upgrade Scheme product eligibility — Ofgem · accessed 27 Sept 2026