Hewalex adjustable long-range nozzle DN150 model 90.00.04 for ventilation and flue systems

The Hewalex adjustable long-range nozzle DN150 (model 90.00.04) is a ventilation and flue accessory designed to direct and control airflow from 150 mm ducts. Its adjustable outlet lets installers change the discharge direction and extend the effective reach of expelled air, supporting targeted airflow and improved draft control in ventilation and flue systems. The product is intended for integration with round DN150 ducting and is suitable for both residential and light commercial installations where directional discharge is required.

Advantages

The nozzle provides adjustable aiming of airflow without requiring complex modifications to existing ductwork, allowing precise alignment with exhaust or intake paths. Constructed to fit standard 150 mm round connections, it simplifies installation and reduces the need for additional adaptors. The adjustable outlet improves control of discharge reach, which can help manage draft and reduce unwanted recirculation of expelled air.

Suitable for

• Directing exhaust or flue gases from residential ventilation systems
• Improving draft control in chimneys and flue stacks for light commercial buildings
• Targeted air discharge where airflow reach and direction need adjustment

Key specifications

• Connection size: DN150 (150 mm round duct)
• Adjustable outlet for directional discharge
• Designed for ventilation and flue system integration
• Suitable for residential and light commercial applications

How to use

Install the nozzle on the DN150 duct end according to the ventilation system layout, ensuring a secure and airtight connection. Adjust the outlet direction to achieve the desired discharge angle and reach; tighten any fastening mechanisms to lock the orientation in place. Verify that the nozzle orientation provides safe dispersion of exhaust away from building openings and does not interfere with surrounding structures or airflow elements.

Usage recommendations

Use with compatible DN150 ducting and follow local regulations for ventilation and flue terminations. Periodically inspect the nozzle and surrounding ductwork for blockages, corrosion, or loosened fastenings, especially in outdoor or corrosive environments.