top of page

Reventon S-3S

LPHW Unit Heater

The S-3S Series LPHW unit heater combines robust construction with precise temperature control, offering reliable heating for a wide range of commercial and industrial environments. Featuring a galvanised, powder-coated steel casing and a 3-speed fan, the heater allows you to adjust performance to match the thermal requirements of the space.

KEY FEATURES

Hadar Heat outputs

2kW to 66kW output range

Hadar Multiple Door Widths

1, 2,or 3 - row heat exchanger

Hadar Transport Workshops heating

Lightweight & easy to install

Hadar multiple airflows

3-speed adjustable fan

Hadar Whisper Quiet

Connects to boiler or heat pump

Hadar Honest Advice

Galvanised, powder-coated steel

PRODUCT OVERVIEW

Robust LPHW Heating with Precise Control

The Reventon S-3S Series is an LPHW unit heater that combines robust construction with precise temperature control, offering reliable heating for a wide range of commercial and industrial environments. It connects to your central boiler or heat pump system to distribute heated water as warm air throughout the building.

​

With a broad power range of 2 to 66 kW, the S-3S Series is suitable for rooms with medium to large cubic capacity, maintaining consistent warmth throughout the space. The 3-speed fan allows you to adjust performance to match the thermal requirements of the room, improving overall efficiency and ensuring optimal comfort.

 

The S-3S Series technology enables full control over the heating output. Dedicated accessories for fully automated operation allow precise regulation of power consumption and maximise energy efficiency, providing measurable savings while maintaining a comfortable indoor environment.

Reventon S-3S Series LPHW Unit Heater

CONSTRUCTION & INSTALLATION

Galvanised Steel Build with Flexible Mounting

Reventon S-3S Series LPHW Unit Heater

The S-3S Series is constructed with galvanised steel and a powder-coated finish for long-lasting performance in demanding environments. A dedicated mounting console provides multiple installation options and allows precise direction of the air stream for maximum comfort and efficiency.

 

  • Power range of 2 kW to 66 kW to suit rooms with medium to large cubic capacity

  • 3-speed fan with IP54 protection for adjustable airflow and efficient heat distribution

  • Available with 1, 2, or 3-row heat exchangers to match different heating demands

  • Connects to a central boiler or heat pump system via LPHW pipework

  • Dedicated mounting console for multiple installation positions and precise air direction

  • Galvanised, powder-coated steel casing for long-lasting durability and corrosion resistance

  • Lightweight units weighing between 12 and 25 kg for easy handling and installation

  • Dedicated accessories for fully automated operation and precise power regulation

KEY BENEFITS

Why Choose the Reventon S-3S Series?

The S-3S Series combines LPHW compatibility, 3-speed fan control, flexible heat exchanger options, and robust galvanised construction in a lightweight, easy-to-install unit heater.

Hadar Multiple Heat Types

2kW to 66kW Output Range

A broad power range from 2 kW to 66 kW makes the S-3S Series suitable for rooms with medium to large cubic capacity. Choose the output that matches your specific space requirements and heating demand.

Hadar Whisper Quiet

Connects to Boiler or Heat Pump

Uses your existing central boiler or heat pump system to distribute heated water as warm air throughout the building. No separate gas supply or flue required at the unit itself, simplifying installation.

Hadar multiple airflow

3-Speed Fan

The 3-speed fan allows you to adjust airflow to match the thermal requirements of the space. This flexibility ensures optimal comfort and energy efficiency across different operating conditions and seasons.

Hadar  simple installation

Lightweight & Easy to Install

Units weigh between just 12 and 25 kg, making handling and installation straightforward. A dedicated mounting console simplifies positioning and allows precise direction of the air stream for maximum comfort.

Hadar Multiple Door Widths

1, 2, or 3-Row Heat Exchanger

Available with 1, 2, or 3-row heat exchangers, providing flexibility to match different heating demands. More rows deliver higher output from the same footprint, allowing you to optimise performance for your space.

Hadar Honest Advice

Galvanised, Powder-Coated Steel

Constructed with galvanised steel and a powder-coated finish for long-lasting durability and corrosion resistance. Lightweight units weighing between 12 and 25 kg make handling and installation straightforward.

APPLICATIONS

Ideal For These Environments

The S-3S Series is designed for commercial and industrial spaces with an existing LPHW heating system that need reliable warm air distribution with precise temperature control.

Hadar Warehouses heating

Warehouses

Storage & logistics centres

Hadar Factories heating

Factories

Production & manufacturing halls

Hadar Transport Workshops heating

Workshops

Vehicle & industrial workshops

Hadar Offices heating

Halls & Meeting Areas

Large assembly & event spaces

Hadar Retail Units heating

Retail & Pavilions

Commercial & display spaces

Hadar Sports Halls heating

Sports Halls

Gyms, leisure centres, & arenas

Hadar Education heating

Education

Schools, colleges, & universities

Hadar Garden Centres heating

Garden Centres

Open-plan retail & growing spaces

TECHNICAL DATA

Specifications

Model

Reventon S-3S Series

Fan

3-Speed

Type

LPHW Unit Heater

Heat Exchanger

1, 2, or 3-Row Options

Output Range

2kW to 66kW

Construction

Galvanised, powder-coated Steel

Heat Source

Central Boiler or Heat Pump

Weight

12kg to 25kg (Dry)

YOU MAY ALSO LIKE

Related Air Curtains

Apen AX

Apen AX LPHW Unit Heater

LPHW unit heater with heating & cooling modes. 7kW to 125kW output range. For higher output and year-round climate control. 

Apen LRN

Apen LRN warm air unit heater

Gas-fired warm air unit heater option for buildings without a central LPHW system. 

Hadar DSF

Hadar DSF Destrat Fan

Pair with the Reventon S-3S Series for a high-efficiency heating solution. Recirculates warm air from ceiling level. 

Need LPHW Warm Air Heating?

Book a free site survey and our team will assess your building and existing LPHW system to recommend the right Reventon S-3S Series model and heat exchanger configuration for reliable, efficient warm air distribution.

bottom of page