The Ubbink Air Excellent AE34C Valve Adaptor 125mm 90° a connection between the Haelix Stella valve and AE34C Air Excellent ducting. Built for modern ventilation and lighting installations, this 90° adaptor allows both airflow and electrical cabling to be neatly integrated in one efficient setup.

Engineered for reliability and ease of installation, the adaptor features a built-in cable gland to allow a 16mm pre-wired preflex to pass through safely, ensuring a tidy and secure electrical connection to the Haelix Stella valve. The mechanical connection system provides excellent airtightness, reducing pressure loss, fan energy consumption, and unwanted noise.

Ideal for residential and commercial MVHR applications, this adaptor can be cut to length on site for a perfect fit every time—no bodging, no fuss.

Key Features & Benefits

• Designed specifically for use with the Haelix Stella valve and AE34C Air Excellent ducting.
• 125mm diameter with a 90° bend for flexible installation layouts.
• Airtight mechanical connections rated to Class ATC1 up to ±1000 Pa.
• Helps minimise fan energy use and sound production.
• Integrated cable gland for secure 16mm pre-wired preflex electrical connection.
• Easy to cut to length for precise, professional installation.
• Ensures a clean, efficient solution for combined ventilation and lighting systems.

A proper bit of kit—does the job right first time, and keeps everything neat behind the scenes.