Fan speed controller

We specialize in providing the highest quality components for heating and ventilation systems. One of the key elements we offer is the fan speed controller – a device that ensures optimal blower operation in furnaces, boilers, and exhaust fans. In our offer, you will find controllers suitable for both single-phase and three-phase motors, with various voltage and power parameters. Our controllers are compatible with most popular fans used in domestic and industrial installations.

Why use a fan speed controller?

Using a controller allows for precise adjustment of the blower intensity to the current needs of the heating system. Thanks to this, you gain:

• electricity savings,
• reduced noise during fan operation,
• extended device lifespan,
• better control over the combustion process and temperature in the system.

Our controllers also positively affect indoor air quality, preventing it from drying out and overheating.

230V fan speed controller – a universal solution for the home

In our offer, you will find 230V fan speed controllers that are perfect for home blow furnaces, exhaust fans, or small blowers. They are easy to install and operate, and their compact housing facilitates installation anywhere. The 230V fan speed controller is equipped with a knob (potentiometer) that allows smooth or stepped adjustment of the fan's rotational speed. Purchasing a controller is a great solution for those modernizing home heating installations.

Transformer fan speed controller – stable operation even under heavy load

For more demanding systems, we recommend the transformer fan speed controller. It operates by regulating the voltage supplied to the fan through a transformer, which ensures stable rotations and no electromagnetic interference.

Transformer controllers work great in:

• industrial fans,
• chimney systems with exhaust fans,
• high-power blow furnaces.

It is the ideal choice where reliability and durability are an absolute priority.

Three-phase fan speed controller – for professional installations

For higher power motors, we offer the three-phase fan speed controller. This advanced device allows full control over motors powered by 400V voltage. They are essential in large boiler rooms, heat recovery systems, and industrial plants.

Our three-phase controllers provide:

• smooth motor speed control,
• compatibility with temperature sensors and pressure switches,
• overload and thermal protection.

Each model is equipped with a sturdy housing resistant to environmental conditions, ensuring safe use for years.

Which fan speed controller to choose?

Many people wonder which fan speed controller is best for a specific installation. The choice of the right device depends on several key factors.

• Type of motor (single-phase or three-phase).
• Power supply (230V or 400V).
• Fan power.
• Required regulation smoothness (stepped, smooth, automatic).
• Operating conditions (humidity, temperature, industrial or domestic use).

Our team offers expert advice – if you don’t know which fan speed controller to choose or have trouble selecting a starting capacitor, contact us. We will help match the perfect device. Our individual approach to each client allows us to recommend products that best meet the user’s actual needs.

Fan speed controller – diagram, instructions, support

With every product we offer, we include detailed installation instructions and a connection diagram for the controller, which allows easy implementation even for people without specialized technical knowledge. For installers and service technicians, we offer technical support, additional materials, and attractive cooperation terms when purchasing products such as the fan speed controller. The device’s operation diagram is quite simple, but it is always worth consulting a professional. Our online help center enables quick access to answers to frequently asked questions and technical documentation.

Why buy controllers at Domer?

• Many years of experience in the heating and ventilation industry.
• Wide selection of models.
• Quality guarantee and compliance with EU standards.
• Attractive prices and fast shipping.
• Technical support before and after purchase.

The trust of individual customers and professional installation companies confirms the high quality of our controllers. Whether you need a simple 230V controller for a blower or an advanced three-phase model for a large boiler room, you will find reliable and durable devices with us that will provide your heating system with full control and safety. Check out our offer and choose the fan speed controller that perfectly fits your installation!