Diffuser connection box 2×Ø75/90
Galvanized steel diffuser connection box for flexible ducts
Ensure quiet and even airflow in your ventilation system. This galvanized steel diffuser connection box is designed for convenient connection of flexible ducts. Suitable for universal use with 75 mm and 90 mm diameter ducts.
Why choose this diffuser connection box?
This durable galvanized steel connection box is an essential element for an efficient ventilation system. Its aerodynamic design helps reduce system resistance and ensures quiet air distribution into living spaces. Universal ports provide flexibility, allowing easy connection of different diameter flexible ducts.
How air distribution works
In a ventilation system, air travels from the main unit to distribution boxes, and from there through flexible ducts to diffuser connection boxes in each room. This box acts as the final link between the duct and the room diffuser. It reduces airflow velocity and noise, guaranteeing a comfortable microclimate.
Compatible components
The connection box is easily compatible with standard 75 mm or 90 mm flexible ducts. Most supply and extract diffusers on the market can be connected to the 125 mm spigot. For a sealed system, we recommend using high-quality rubber gaskets. ORO Haus specialists are always ready to help you gather all the necessary accessories.
Technical specifications
Key specifications ensuring smooth ventilation system operation and easy installation.
| Parameter | Value |
|---|---|
| Material | Galvanized steel |
| Air direction | Supply and extract (Bidirectional) |
| Diffuser connection | Ø125 mm |
| Duct connection | Ø75 mm or Ø90 mm |
Available configurations
Connection boxes are adapted for different airflow needs depending on room size.
| Parameter | 2 x Ø75/90Selected | 3 x Ø75/90 |
|---|---|---|
| Port count | 2 | 3 |
| Supported ducts | 75 mm / 90 mm | 75 mm / 90 mm |
| Diffuser diameter | 125 mm | 125 mm |
Installing the diffuser connection box is an important step that determines the acoustic properties and airtightness of the entire ventilation system. Boxes are typically hidden behind drywall or suspended ceilings.
Location selection
It is recommended to mount the box so that airflow is distributed optimally within the room. It is important to leave enough space for connecting flexible ducts, avoiding sharp turns that could increase aerodynamic resistance and noise.
Connecting flexible ducts
Connect the flexible ducts using appropriately sized locking clips. For maximum airtightness, a rubber gasket must be placed over the duct before inserting it into the box port.
System sealing and balancing
If you do not use all the ports on the box, the unused openings must be securely closed with special end caps. This helps maintain necessary pressure and prevents air leaks.
Assemble your ventilation system
Discover compatible flexible ducts, sealing rings, and elegant diffusers for a perfect microclimate.
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