Manrose Circular Reducer 150mm – 125mm

The Manrose Circular Reducer 150mm to 125mm is an essential ventilation accessory designed to adapt between different duct sizes in air movement systems. It allows seamless transition from a larger 150mm (6″) duct to a smaller 125mm (5″) duct, making it ideal for a wide variety of ventilation setups including extractor fans, HVAC systems, cooker hoods, tumble dryers, and air conditioning installations.

Made from durable white PVC plastic, this reducer is lightweight, corrosion-resistant, and easy to install, offering a reliable solution to join incompatible duct sizes without compromising airflow efficiency.

Key Features

Efficient Size Transition: Reduces duct diameter from 150mm to 125mm, allowing connection between mismatched duct sizes.
Durable Construction: Manufactured from robust PVC, resistant to corrosion, moisture, and wear over time.
Universal Compatibility: Compatible with both flexible and rigid ducting systems within the 150mm to 125mm size range.
Easy Installation: Simple push-fit connection—no special tools or adhesives required.
Lightweight Design: Weighs just 40g, making it suitable for ceiling, wall, or concealed installations.

Typical Applications

Domestic and commercial extractor fan installations
HVAC systems
Cooker hood ducting
Air conditioning units
General ventilation connections

Installation Notes

Ensure that the reducer is securely connected to both ducting sizes before sealing.
For improved air tightness and to prevent air leaks, use appropriate duct tape or sealant.
Suitable for horizontal and vertical installations.

FAQ

Q: Can I use this reducer for bathroom extractor fans?
A: Yes, it is ideal for bathroom and kitchen fan ducting systems that require a transition between 150mm and 125mm pipes.

Q: Does this reducer affect airflow performance?
A: Slight airflow resistance may occur due to the change in diameter, but it is minimal if properly installed.

Q: Is it compatible with flexible ducting?
A: Yes, this reducer is suitable for use with both rigid and flexible PVC or aluminium ducting.

Q: Can this be used outdoors?
A: While made from durable PVC, it is best used indoors or in covered outdoor locations unless otherwise protected.

Warranty Information

The Manrose Circular Reducer comes with a 12-month manufacturer’s warranty, covering defects in material and craftsmanship under normal use. Warranty claims require proof of purchase.