Rectangular Ducting Elbow Bend(Fixed Spigot)

Rectangular Ducting Elbow Bend (Spigot)

Easily convert rectangular PVC ducting to round for air valves or round pipe connections – UK-manufactured with durable, high-quality materials.

Product Variants & Specifications

110x54mm Elbow Bend (S110) - Converts 110x54mm rectangular ducting to 100mm round ducting at a 90-degree angle.
204x60mm - Fixed Spigot (SP204-125) - Converts 204x60mm rectangular ducting to 125mm round ducting.
204x60mm - Fixed Spigot (SP204-150) - Converts 204x60mm rectangular ducting to 150mm round ducting.
220x90mm - Fixed Spigot (SP220-125) - Converts 220x90mm rectangular ducting to 125mm round ducting.
220x90mm - Fixed Spigot (SP220-150) - Converts 220x90mm rectangular ducting to 150mm round ducting.

Key Features

✔ UK-manufactured with high-quality materials.
✔ Ideal for ventilation systems, including: Kitchen extractor fans, Bathroom fans, In-line extract fans, Whole house ventilation, Passive stack vent, Positive input ventilation, Air conditioning & HVAC, Heat recovery systems.
✔ Provides superior airflow performance compared to flexible PVC or aluminium ducting.
✔ Compliant with Part F Building Regulations.

Installation Guide

For maximum airtightness & durability:
✔ Apply plastic ducting sealant to the pipe connection.
✔ Push the fittings together.
✔ Secure with aluminium duct sealing tape.
Alternatively, self-sealing fittings can be used – installation is up to 70% faster and allows for easy dismantling.

Insulation of Ductwork

✔ If installed in a cold area (e.g. loft space), insulation is required.
✔ Required insulation: 25mm thickness & thermal conductivity of 0.04W/(m.k) or lower.
✔ How to insulate ducting: Wrap with 25mm duct wrap (silver foil face) & Use 25mm rockwool.
🚫 Bubble wrap insulation is no longer compliant with building control regulations.

Available Sizes

✔ 110x54mm to 100mm Spigot
✔ 204x60mm to 125mm Spigot
✔ 204x60mm to 150mm Spigot
✔ 220x90mm to 125mm Spigot
✔ 220x90mm to 150mm Spigot

⚠ For larger ducting, we recommend using metal spiral ducting and fittings due to their superior strength.