Siphon Prevex 1009274 1½" x 50 mm with overflow and washing machine connection

Prevex Siphon model 1009274 is a 1½" x 50 mm trap designed for kitchen sinks and washbasins. It includes an integrated overflow and a dedicated connection for a washing machine or dishwasher drain, offering reliable water sealing and straightforward waste disposal. Constructed from durable plastic, the siphon is suitable for domestic and light commercial installations where overflow protection and appliance drainage are required.

Advantages

The siphon provides a compact double-outlet solution with an integrated overflow and two additional appliance connections, enabling flexible installation. Adjustable height (130–185 mm) and an adjustable distance between outlet openings (200–290 mm) allow the unit to adapt to a variety of sink configurations. The plastic construction ensures resistance to corrosion, easy maintenance and long service life.

Suitable for

• Kitchen sinks with 1½" connection and 50 mm drain pipe
• Installations requiring integrated overflow protection
• Setups that need a washing machine or dishwasher drain connection
• Domestic and light commercial plumbing applications

Key specifications

• Model: Prevex 1009274
• Connection size: 1½" (1 1/2")
• Drain pipe diameter: 50 mm
• Adjustable height: 130–185 mm
• Distance between outlets: 200–290 mm (adjustable)
• Material: durable plastic
• Features: integrated overflow, washing machine/dishwasher connection

How to use

Position the siphon under the sink so the 1½" inlet aligns with the waste outlet and connect the 50 mm drain pipe to the outlet. Adjust the height (130–185 mm) and the distance between outlet openings (200–290 mm) to match the sink and waste pipe alignment. Attach the washing machine or dishwasher hose to the dedicated connection and secure all joints with appropriate fittings and seals. Ensure the integrated overflow is connected to the sink overflow channel if present.

Usage recommendations

Regularly check the seals and connections for leaks, and clean the trap periodically to prevent blockages. Use compatible hoses and fittings sized for 1½" and 50 mm connections to ensure proper installation and avoid stress on joints.