Geberit Lavabosiphon 1 1/4" – White Replacement Siphon for Lavatory Basins
The Geberit Lavabosiphon is a 1 1/4" white replacement siphon designed for lavatory basins. It is the original OEM part from Geberit, ensuring full compatibility and reliable performance in standard bathroom installations.
1 1/4" connection size fits standard lavatory basin outlets
40 mm outlet diameter for efficient drainage
White plastic construction resists corrosion and daily use
Direct replacement for the original Geberit siphon — no adaptation needed
What Sets the Geberit Lavabosiphon Apart
As an original Geberit spare part, this siphon matches the exact specifications of the manufacturer's lavatory drainage systems. The white plastic material is lightweight yet durable, and the 1 1/4" connection ensures a secure, leak-free fit without the need for additional seals or adapters.
Ideal for...
Homeowners and plumbers maintaining Geberit-equipped bathrooms. Also suited for rental property renovations where a reliable, code-compliant replacement siphon is needed quickly.
Application of the Geberit Lavabosiphon
Turn off the water supply and disconnect the existing siphon from the basin outlet
Remove the old siphon and clean the connection area
Insert the new Geberit siphon into the 1 1/4" outlet and secure it
Geberit is a Swiss sanitary systems manufacturer founded in 1874, headquartered in Rapperswil-Jona, Switzerland. The company specialises in drainage, supply, and installation systems for bathrooms and kitchens, and is one of the leading European brands in sanitary fittings. Geberit products are distributed through specialist retailers and are known for quality and compatibility with standard plumbing configurations.
It is a replacement siphon for lavatory basins, connecting the basin outlet to the drainage pipe and preventing odours from the sewer system from entering the bathroom.
It fits standard basins with a 1 1/4" outlet connection. Verify the basin outlet size and drain pipe diameter (40 mm) before installation.
The siphon is made of white plastic (Kunststoff), which is lightweight, corrosion-resistant, and suitable for standard bathroom use.
One Geberit Lavabosiphon 1 1/4" white siphon. No additional fittings or seals are included unless specified in the product details.
Geberit provides a 24-month manufacturer's warranty on this replacement part, covering material and manufacturing defects under normal use.
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