• White rectangular hydro box device with a digital display and control panel on a white background
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Hitachi Hydro Free Low Temperature Hydrobox

Hitachi Hydro Free Low Temperature Hydrobox

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Product Overview: At a Glance

The Hitachi Hydro Free Low Temperature Hydrobox (RWLT series) delivers efficient low-temperature hot water, ideal for underfloor heating and fan coil units. Designed for integration with Set-Free VRF outdoor units, it provides flexible, reliable heating solutions for residential and light commercial projects.

Key Features & Benefits

  • Low-temperature heating - delivers hot water up to 45°C for underfloor heating and fan coil applications
  • Flexible capacities - available in 9kW, 16kW, and 27kW modules to suit different project sizes
  • Plug-and-play design - simplifies installation and integration with VRF systems
  • Comprehensive built-in equipment - includes pump, filter, expansion tank, purges, and manometer for hassle-free setup
  • Compact and ultra-silent - ideal for renovation projects or spaces where quiet operation is essential
  • Energy-efficient operation - maximises performance from VRF outdoor units while reducing running costs
  • DX/hydraulic combined solution - ensures consistent thermal comfort and reliable performance

Typical Applications & Use Cases

Perfect for underfloor heating, fan coil units, and other low-temperature hot water applications, the Hydro Free RWLT modules provide flexible, energy-efficient heating for residential renovations or light commercial environments. Their quiet, compact design makes them suitable for installation in sensitive or space-constrained areas.

Technical Overview

The Hydro Free Low Temperature Hydrobox integrates seamlessly with Set-Free VRF outdoor units, offering capacities from 9kW to 27kW and maintaining hot water output up to 45°C. Each module includes all essential components for straightforward installation, ensuring efficient and reliable low-temperature heating for various applications.

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

  • HYDRO FREE RW(L/H)T-(H)VN(F)1E
  • Hot Water Hydrobox (45°C)
  • Hydro Free Low temperature Hydrobox for VRF - 9 kW - 31 kW

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Enquire About This Product View full details
Variant Variant total Quantity Price Variant total
White rectangular hydro box device with a digital display and control panel on a white background
9 kW (RWLT-3.0VN1E)RWLT-3.0VN1E
9 kW (RWLT-3.0VN1E)RWLT-3.0VN1E
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
White rectangular hydro box device with a digital display and control panel on a white background
16 kW (RWLT-5.0VN1E)RWLT-5.0VN1E
16 kW (RWLT-5.0VN1E)RWLT-5.0VN1E
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
White rectangular hydro box device with a digital display and control panel on a white background
27 kW (RWLT-10.0VN1E)RWLT-10.0VN1E
27 kW (RWLT-10.0VN1E)RWLT-10.0VN1E
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
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Hitachi Hydro Free Low Temperature Hydrobox FAQs

Are HVAC systems noisy?
Modern indoor units are designed for quiet operation, with sound levels often comparable to a whisper, making them suitable for bedrooms and offices.
What size HVAC unit do I need?
Sizing depends on room dimensions, insulation, occupancy, and usage. Oversized or undersized systems waste energy and reduce comfort - a qualified installer should calculate the correct capacity. Contact us at The MEP Shop today and we can help you size up your project correctly.
Can HVAC systems provide both heating and cooling?
Yes. Heat pump-based systems can reverse their operation to provide heating in winter and cooling in summer, offering year-round comfort.
How energy efficient are modern air conditioning and heat pump systems?
Modern HVAC systems achieve high seasonal efficiency ratings - SEER (Seasonal Energy Efficiency Ratio) and SCOP (Seasonal Coefficient of Performance), lowering running costs compared to older units while reducing carbon emissions.
What refrigerants are commonly used in modern HVAC systems?
Most modern units use R32 or R410A refrigerants. R32 has a lower global warming potential (GWP), making it more environmentally friendly. We are starting to see the emergence of R290 refrigerant used in some newer units.

We're Here To Help With All Hitachi VRF Requirements

Need any help with our range of Hitachi Hydrobox products? Our team is here to aid you with all Hitachi VRF system enquiries. Whether you need guidance on choosing the right centralised controller, installation advice, or ongoing support, our specialists in Hitachi commercial HVAC solutions can assist. Contact us today for expert advice and reliable service.

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