12mm ID Rubber Drain Down Hose

Rubber Drain Down Hose is a flexible, lightweight hose designed for hot water discharge and drain down applications in plumbing, heating, and maintenance environments. Manufactured by HosesUK from thermoplastic polyurethane (TPU) for both the inner and outer wall, the hose combines strength with flexibility and remains stable under frequent handling. With no reinforcement, it retains excellent manoeuvrability for temporary installations while maintaining a smooth bore for efficient water flow. Operating between -20°C and +100°C, the drain down hose delivers consistent reliability for hot water discharge, system flushing, and maintenance use. Available in Green and Orange.

Key Features:

• Material: Thermoplastic polyurethane (TPU) inner and outer wall.

• Internal Diameter: 12 mm.

• Outside Diameter: 19 mm.

• Wall Thickness: 3.5 mm.

• Working Pressure: 5 bar.

• Burst Pressure: 15 bar minimum.

• Bending Radius: 36 mm.

• Operating Temperature: -20°C to +100°C.

• Colour: Green, Orange

The Rubber Drain Down Hose provides practical handling benefits thanks to its flexible TPU construction, making it easy to coil, transport, and connect for short-term or portable water discharge tasks. Its smooth bore supports efficient hot water flow without restriction, while its wall thickness ensures stability at pressures up to 5 bar with a 3:1 safety factor to burst. With an operating limit up to +100°C, the hose is suitable for hot water discharge and system drain down in plumbing and heating maintenance applications. The compact bending radius of 36 mm further improves usability, allowing the hose to be manoeuvred in tight spaces without kinking.

Applications include boiler and heating system drain down, hot water discharge, system flushing, and general maintenance duties. Distributed under the HosesUK brand, the Rubber Drain Down Hose provides a reliable, lightweight, and easy-to-handle solution for professionals requiring a portable hose for controlled water discharge in plumbing and facility service operations.