The Security Relief Vent is purpose-built for evaporative air conditioning systems, allowing you to cool your home securely without leaving doors or windows open.
As the system runs, the vent releases excess cool air into the roof space. This helps your home stay cooler for longer and reduces the energy required to maintain comfort. You can install the vent with new evaporative systems or add it to existing installations, making it a simple, reliable and secure upgrade for any home.
Choose the right size for your space
Our Security Relief Vents are available in three practical sizes to suit different room types and installation layouts:
- Security Relief Vent (300 x 300 mm) – SRV3030 Compact Model
Ideal for smaller rooms such as bedrooms, studies, or home offices. - Security Relief Vent (350 x 350 mm) – SRV3535 Medium Compact Model
Perfect for medium sized rooms and general living areas. - Large Security Relief Vent (600 x 450 mm) – SRV6045
Designed for bigger spaces where room is not an issue or where maximum airflow is required.
All vents offer a cost-effective solution, install easily, and are available to purchase online using the links below.
| Code | Exact Neck Size | Cut Out Size | ADA Manufactured Box Size (Exact Neck) | Face Size |
| SRV3030 | 315 x 315mm | 325 x 325mm | 322 x 322mm | 370 x 370mm |
| SRV3535 | 370 x 370mm | 380 x 380mm | 377 x 377mm | 425 x 425mm |
| SRV6045 | 595 x 470mm Excluding Ribs (Ribs additional 7mm) | 620 x 495mm | 615 x 490mm | 660 x 540mm |
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Security Relief Vent 300mm – Compact Model
$146.60 inc GST -
Security Relief Vent 350mm – Medium Compact Model
$146.88 inc GST -
Security Relief Vent (600 x 450)
$172.18 inc GST
