Washbasin siphon Nicol L3520/501 chromium – bottle trap for washbasin

The Nicol washbasin siphon L3520/501 in chromium finish is a bottle trap designed to connect a washbasin to the drainage system while providing reliable water sealing and preventing odour return. Its compact bottle shape suits typical domestic bathroom installations and standard washbasin outlet connections. The chromium surface offers corrosion resistance and a polished appearance that matches a range of bathroom fittings.

Advantages

This bottle trap delivers effective sealing against sewer gases and solid debris, with an accessible removable bottle section for cleaning and maintenance. The chromium finish resists tarnish and simplifies cleaning, while the compact design saves space beneath the washbasin and fits common installation layouts. The product is compatible with standard washbasin outlets and designed for straightforward connection to existing waste pipes.

Suitable for

• Domestic bathroom washbasins with standard outlet connections
• Small or compact vanities where under-sink space is limited
• Renovation projects replacing worn or leaking bottle traps

Key specifications

• Type: bottle trap (washbasin siphon)
• Finish: chromium plated
• Function: water sealing to prevent odour return
• Design: compact bottle-style body for space-saving installation
• Maintenance: removable bottle section for cleaning
• Compatibility: standard washbasin outlet connection and typical domestic waste piping

How to use

Install the Nicol L3520/501 bottle trap between the washbasin outlet and the waste pipe, ensuring all connection points are securely tightened to prevent leaks. Once installed, the trap retains a water seal in the bottle section to block sewer gases. For routine maintenance, unscrew and remove the bottle section to clear blockages or accumulated debris, then reassemble and check for tight seals. Follow local plumbing codes and, if necessary, consult a qualified installer for correct alignment and sealing.

Usage recommendations

To prolong service life and maintain performance, avoid pouring heavy chemical cleaners directly into the trap and periodically inspect the removable bottle for mineral buildup or trapped debris. Ensure threaded and compression connections are hand-tightened and then given a small additional turn with appropriate tools to avoid overtightening that could damage fittings.