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Reventon  |  SKU: WHHCFO-2042

Farmer OpenAir water heater

€2.072,78
pay up to 30 installments,
models

Delivery and Shipping

At Krolit, we are committed to providing a seamless and reliable shipping experience for our customers. Once you place your order, it is generally processed within 1-3 business days, excluding weekends and holidays. As soon as your order ships, you will receive a confirmation email with your tracking number and shipment details, so you can easily track your delivery.

We offer several shipping options, including standard, express, and overnight shipping, to meet your needs. Shipping costs and estimated delivery times are clearly displayed at checkout and vary based on your location and the shipping method selected. Please note that all delivery times are approximate and may be subject to delays due to factors such as weather conditions, high order volume, or courier issues.

Currently, Krolit [offers/does not offer] international shipping. If international shipping is available, please be aware that customs duties, taxes, or other additional fees may apply, which are the responsibility of the recipient. We recommend checking with your local customs office before placing an order.

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Description

Farmer OpenAir Water Heater – Efficient Heating for Agricultural and Industrial Environments

The Farmer OpenAir water heater is a high-quality device designed for use in agricultural and industrial environments. It is ideal for greenhouses, stables, pig farms, chicken coops, and carpentry workshops. A distinctive feature of this model is the easy accessibility of the heat exchanger for cleaning. This is especially important in environments with high levels of dust. Furthermore, the special GOLD EPOXY coating protects the device from corrosion, making it perfect for aggressive conditions.

Environments of Use

The Farmer OpenAir is suitable for:

  • Car washes
  • Stables
  • Greenhouses
  • Pig farms
  • Chicken coops
  • Carpentry workshops

Advantages of the Farmer OpenAir Air Heater

The Farmer OpenAir's advanced design and technical features offer numerous advantages. Here are the main ones:

  • GOLD EPOXY coating: Protects the heater from corrosion and ensures a long life.
  • IP66 rated fan: Ensures reliable operation, even under harsh conditions, and complies with European Directive 2009/125/EC (ErP 2015).
  • Ease of maintenance: The fully opening casing allows quick access for cleaning and maintenance.
  • Mounting flexibility: It can be installed on both walls and ceilings, easily adapting to the needs of the environment.
  • Complete system control: Thanks to dedicated automation, it allows you to optimize heating, reduce energy consumption and achieve cost savings.

Efficiency and Maintenance

The Farmer OpenAir not only ensures efficient heating, but is also designed for ease of maintenance. Therefore, it's ideal for those looking for a robust and easy-to-maintain appliance. Furthermore, corrosion protection ensures a long life, even in harsh environments.


Technical Specifications

Characteristic FARMER OPENAIR IP66 FARMER OPENAIR XL IP66
Product code WHHCFO-2042 WHFOXL-2445
Nominal heating capacity [kW] * 54.3 63.9
Heating capacity range [kW] 7.5 - 71.6 9.9 - 88.1
Maximum air flow rate [m³/h] 5100 4500
Maximum isothermal flow radius [m] 25 23
Number of tube rows [pieces] 3 4
Water capacity [dm³] 3.8 4.9
Maximum heating fluid temperature [°C] 120 120
Maximum heating fluid pressure [MPa] 1.6 1.6
Connection diameter [inches] 3/4 3/4
Voltage/Frequency [V/Hz] 230/50 230/50
Motor rated current [A] 2.2 2.2
Rated engine speed [rpm] 1395 1395
Motor nominal power [W] 500 500
Motor IP protection class 66 66
Net weight [kg] 46 49
Noise level [dB] ** 66 66

* - for parameters 90/70°C and inlet air temperature 0°C
** - maximum capacity refers to 120/90°C, 0°C inlet air temperature, 3rd stage // minimum capacity refers to 40/30°C, 20°C inlet air temperature, 1st stage
*** - the measurement is taken at a distance of 5 meters from the device


The Farmer OpenAir unit heater is the perfect choice for anyone requiring a robust and easy-to-maintain heating system in agricultural or industrial environments. Thanks to its durable construction, protective coating, and flexible mounting options, it ensures optimal thermal comfort with low operating costs.

Frequently Asked Questions

FAQ - Reventon Farmer OpenAir water heater
The Farmer OpenAir is a water-cooled unit heater designed by Reventon for agricultural, livestock, and outdoor environments. It uses hot water and controlled ventilation to ensure thermal comfort even in open or semi-open spaces.
The hot water comes from a boiler or heat source, circulates in the internal battery where the fan, located in the body of the unit heater, spreads the heated air outside or into open sheds.
It is designed for wall or ceiling installations in environments such as open warehouses, greenhouses, livestock farms and covered outdoor areas, ensuring protection from atmospheric agents with corrosion-resistant materials.
– Ideal for environments with high air exchange
– Robust fan resistant to dust/moisture
– Uniformity of heat with wide distribution
– Robust construction for outdoor use
It can be connected to room thermostats or external control units to modulate temperature and air flow. Some models support flow rate adjustment.
– Regular cleaning of the battery and grill
– Check the status of the fan and motor
– Hydraulic seal check
– Periodic check of condensation drainage

Product safety

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