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 connectionno 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 manufacturers warranty, covering defects in material and craftsmanship under normal use. Warranty claims require proof of purchase.