DEANTE NHC_031I Bottle Washbasin Siphon, White, G 1 1/4 inch Inlet, 32 mm Outlet, Height Adjustable, EN 274

Under every bathroom sink, a reliable siphon quietly prevents odors and ensures smooth drainage. The DEANTE NHC_031I bottle washbasin siphon is built for exactly that job, combining a space-saving bottle design with easy maintenance. Its removable bottom lets you clear blockages without tools, while the 50 mm water seal stops sewer gases from entering the room. Made from chemical- and temperature-resistant polypropylene, it handles hot water up to 95°C and stands up to everyday cleaning agents. The height-adjustable construction and standard G 1 1/4" inlet make it a direct fit for most washbasins, and the 32 mm outlet connects to common waste pipes. Compliant with EN 274, this siphon delivers dependable performance for residential and commercial bathrooms alike.

Key specifications

• Type: Bottle siphon for washbasin / sink
• Inlet connection: G 1 1/4" (DN32)
• Outlet connection: 32 mm
• Material: Polypropylene (PP)
• Colour: White
• Water seal depth: 50 mm
• Max operating temperature: 95°C
• Standards compliance: EN 274
• Cleaning: Removable bottom for easy access
• Design: Space-saving bottle shape

Why choose it

This siphon is a practical upgrade for any washbasin. The removable bottom cap simplifies cleaning—just unscrew, rinse, and reassemble. Its polypropylene body resists corrosion, chemicals, and high temperatures, ensuring a long service life. The 50 mm water seal provides reliable odor prevention, and the compact bottle design fits neatly in tight under-sink spaces. Installation is straightforward with a manual screw-on connection; no special tools are needed.

Ideal use cases

• Residential bathroom washbasins
• Guest toilets and cloakrooms
• Commercial restrooms in offices, restaurants, and hotels
• Replacement for old or leaking siphons
• New sink installations where space is limited

Good to know

The siphon comes with rubber/elastomer gaskets for a secure, leak-free seal. It is height adjustable to accommodate different basin depths and outlet positions. The high flow rate ensures efficient drainage even with heavy use. For maintenance, periodically remove the bottom cap and rinse the interior to prevent buildup. Always follow local plumbing codes during installation.