Electric 230V - 3.3 kW
Integrated thermostat
26 x 26 x 41 cm - 510 m³/h
The MASTER B 3.3 IT portable hot air generator is a localized heating system for small industrial, commercial, or residential spaces. Equipped with a thermally protected, zero-oxygen, and extremely quiet motor, it stands out from other heaters because it uses no open flames or releases gas or diesel into the air. The Master B 3.3 IT is therefore suitable for use in closed or poorly ventilated spaces.

These air heaters exploit the Joule effect, triggered by the current flowing through electrical resistors that heat the air blown by an axial fan. The built-in thermostat constantly monitors the room temperature and overheating, and an overheating thermostat also prevents overheating. The heat output is also adjustable.

Other noteworthy features of these generators are their low noise level, ease of transport, and the use of stainless steel heating elements.


This Master heater is entirely made in Italy. Made in Italy is synonymous with precision and high technical quality.

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To benefit from the 3-year warranty on this Master product, register on the Master website and follow the instructions provided.
The product color may vary based on availability. The technical and functional characteristics remain the same.
| Food | 230V |
| Thermal Power | 1.65/3.3 kW - 1,430/2,860 Kcal/h - 5,630/11,260 BTU/h |
| Air Port | 510 m³/h |
| Absorption | 14.5A |
| Access Position 1 | Spent |
| Access Position 2 | Fan |
| Access Position 3/4 | 1.65 / 3.3 kW |
| Thermostat | including |
| Temperature Range | 5-35°C |
| Protection | IP24 |
| Reset | Manual |
| Dimensions | 26 x 26 x 41 cm |
| Peso | 5.1 kg |
| Food | 230V |
| Thermal Power | 1.65/3.3 kW - 1,430/2,860 Kcal/h - 5,630/11,260 BTU/h |
| Air Port | 510 m³/h |
| Absorption | 14.5A |
| Access Position 1 | Spent |
| Access Position 2 | Fan |
| Access Position 3/4 | 1.65 / 3.3 kW |
| Thermostat | including |
| Temperature Range | 5-35°C |
| Protection | IP24 |
| Reset | Manual |
| Dimensions | 26 x 26 x 41 cm |
| Peso | 5.1 kg |
Our workshop is able to guarantee efficient and professional repairs: speed; of intervention, competence and availability are our strengths.
By purchasing from Indors you will also have purchased peace of mind: our Assistance and Repairs Service guarantees quick and timely solutions for any problem thanks to the safe availability; of spare parts, your equipment will always be efficient and available within a few days at a low cost. More information
All products sold by Indors are covered by a legal guarantee of 3 years from the date
of purchase for purchases by individuals (12 months for professional users) for lack of conformity,
pursuant to art. 128 ff. Legislative Decree no. 206/2005.
More information

Based on 7 reviews
Great product,arrived the day after the order (Translated review)
Delivered very quickly, item matches site description. Mollto satisfied . (Translated review)
Perfect seller, fast delivery, disappointing heater regarding the heat it can develop (Translated review)
Good (Translated review)
excellent product, with two I made a 160sqm living room viable, but each one draws up to 3.3 kw, so it depends if you have a meter and a magneto-thermal set up to handle that absorption. (Translated review)
Excellent purchase and excellent customer service. (Translated review)
EXCELLENT PURCHASE SATISFIED. (Translated review)