Mitsubishi ERST17D-VM2E Ecodan Duo 170L Hydraulic Module with Heat Exchanger | ★★★★★★★★★★66 Reviews

Why choose the Eco Inverter R32 line?

The Eco Inverter R32 line is a compact solution built for single-family homes, delivering heating, cooling and domestic hot water in one package.

Performance & savings

• Heating outputs from 3 to 10 kW, perfect for new-build houses
• Heating COP up to 5.11 at A7/W35 (EN 14511)
• Reliable operation down to -25 °C outside
• 60 °C water up to -3 °C ambient with no electric back-up
• HP Keymark certified, RE2020 compliant

Top comfort

• Controls 2 independent heating zones (radiators, underfloor, fan-coils)
• Self-adaptive control for fine-tuned comfort
• Whisper-quiet: 43 dB(A) at 1 m, 29 dB(A) at 5 m (SWM30/40)

Planet friendly

• R32 refrigerant: high performance, low carbon, RE2020 praised
• PEP sheets on INIES database prove environmental credentials

Efficient cooling

• Built-in reversibility with insulated pipework and condensate tray
• EER up to 5.51 at A35/W18
• Pairs perfectly with fan-coils for fast, effective cooling

Domestic hot water

• Tank sizes: 170 L, 200 L or 300 L
• Compact modules: heights 1.75 m (dual-zone), 1.6 m, 2.05 m
• Stainless-steel cylinder suits most water qualities
• Standard anti-scale filter protects DHW exchanger

DHW performance

• DHW COP up to 3.57 (EN 16147)
• Hot-water production down to -25 °C ambient
• V40 volumes: 170 L = 233 L, 200 L = 275 L, 300 L = 412 L

DHW comfort

• Time-clock programming for extra savings
• User-selectable Eco or Comfort modes
• Timed heating/DHW priority