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Hitachi Yutaki M R32 Single Phase Monobloc Air to Water Heat Pump Outdoor Unit

Hitachi Yutaki M R32 Single Phase Monobloc Air to Water Heat Pump Outdoor Unit

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Product Overview: At a Glance

The Hitachi Yutaki M R32 Single Phase Monobloc Air to Water Heat Pump Outdoor Unit provides an efficient, compact solution for home heating and domestic hot water. Ideal for replacing conventional boilers, it combines high performance with energy-saving features and flexible control options.

Key Features & Benefits

  • Domestic hot water & heating - suitable as a complete boiler replacement for homes.
  • Dual heating circuits - supports multiple zones or radiators for personalised comfort.
  • High efficiency - COP up to 5.25 (SCOP up to 4.75), delivering one of the best efficiencies on the market.
  • Ease of service - Monobloc design allows simple access to components without refrigerant handling for straightforward maintenance.
  • Screed drying function - ideal for new builds and renovation projects.
  • Weather compensation control - optimises heating output depending on outdoor conditions.
  • Water temperature up to 60°C - includes legionella protection program for DHW safety.
  • Advanced controls - includes PC-ARFH1E/PC-ARFH2E remote controller with weekly timer, holiday mode, smart functions, and optional wireless thermostat for smartphone app control.
  • Optional accessories - add cooling functionality, domestic hot water tank, or buffer tanks for enhanced versatility.

Typical Applications & Use Cases

Perfect for residential properties seeking a high-efficiency, low-footprint heating solution. The Yutaki M is suitable for new builds or retrofits, offering precise zone control, domestic hot water production, and optional cooling, making it a versatile choice for modern homes.

Technical Overview

The Yutaki M Single Phase Monobloc Air to Water Heat Pump utilises R32 refrigerant (on 4.3kW and 8kW models) and supports dual heating circuits, delivering water temperatures up to 60°C. With advanced weather compensation, screed drying capability, and a COP up to 5.25, it balances high efficiency with reliable year-round performance. Fully MCS accredited and ErP up to A+++ rated, compatible with optional domestic hot water and buffer tanks for flexible installation.

Please contact us for delivery information & quotes. Thank you.

Items on this page may also be known under the following references:

  • Yutaki M RASM-VRE
  • YUTAKI M R32
  • R32 Monobloc Air to Water Heat Pump - kW Nominal Output - Single Phase

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RASM-2VRERASM-2VRE
RASM-2VRERASM-2VRE
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RASM-3VRERASM-3VRE
RASM-3VRERASM-3VRE
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RASM-4VR1ERASM-4VR1E
RASM-4VR1ERASM-4VR1E
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RASM-5VR1ERASM-5VR1E
RASM-5VR1ERASM-5VR1E
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RASM-6VR1ERASM-6VR1E
RASM-6VR1ERASM-6VR1E
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Hitachi Yutaki M R32 Single Phase Monobloc Air to Water Heat Pump Outdoor Unit FAQs

What is Hitachi Yutaki?
Yutaki is Hitachi’s flagship air-to-water heat pump range, designed for both new builds and retrofits in the UK.
What are the benefits of Hitachi Yutaki heat pumps?
Yutaki heat pumps deliver efficient heating, cooling, and domestic hot water, with models that qualify for UK incentives like the Boiler Upgrade Scheme.
Are Yutaki heat pumps suitable for cold climates like the UK?
Yes, Yutaki models are engineered to perform in low temperatures, ensuring reliable comfort even in winter.
What’s the difference between single-phase and three-phase HVAC systems?
Single-phase systems are common in UK homes and small businesses, while three-phase systems are designed for larger commercial or industrial applications where higher power and efficiency are required.
What is an air-to-water system?
Air-to-water heat pumps use outdoor air to produce hot water for heating or domestic hot water supply, offering an efficient and green alternative to traditional boilers.
What is a heat pump?
A heat pump transfers heat rather than generating it through combustion, offering efficient heating and cooling. Modern heat pumps can deliver multiple units of heating for every unit of electricity consumed, helping lower running costs.
What is R32 refrigerant and why is it used in HVAC systems?
R32 is a next-generation refrigerant with lower global warming potential (GWP) than older gases such as R410A. It delivers high efficiency while helping reduce environmental impact, making it a popular choice for modern heat pumps and air conditioning units in the UK.
What’s the difference between an indoor and outdoor unit?
Outdoor units house the compressor and release or absorb heat, while indoor units distribute conditioned air into the building. Together, they form a complete HVAC system.

We’re Here To Help With All Hitachi Heat Pump and RAC Solutions

Need any help with our range of Hitachi Yutaki products? Looking for advice on Hitachi heat pump systems? Our team is here to support you with both air-to-water heat pumps and RAC (Room Air Conditioning) split systems. Whether you need efficient residential heating and cooling or a commercial renewable energy solution, we can provide expert recommendations. From product selection and energy efficiency advice to installation and after-sales service, we make sure you get the most from Hitachi heat pump technology. Contact us today for help with your Hitachi heat pump or RAC system.