The Ubbink Air Supply Valve 125mm is a clean, simple, and reliable solution for delivering fresh air into living and working spaces as part of an MVHR (Mechanical Ventilation with Heat Recovery) system.

Designed to connect directly to 125mm ventilation ducting, this supply valve ensures a controlled and even distribution of fresh air into the room, supporting a healthy and comfortable indoor environment. Its discreet white plastic finish blends neatly with most ceilings and walls, keeping installations tidy and unobtrusive — just as they should be.

Easy to install and straightforward to maintain, this valve is ideal for residential and light commercial MVHR applications. An alternative extraction valve is also available for complete system matching.

Key Features & Benefits

• 125mm air supply valve for MVHR systems.
• Supplies fresh air into habitable rooms.
• Compatible with standard 125mm ducting.
• Simple, reliable design for consistent airflow.
• White plastic finish for a clean, unobtrusive appearance.
• Easy to install and maintain.
• Matching extraction valve available.

A no-nonsense ventilation essential — because sometimes the best solutions are the ones that quietly do their job, day in and day out.