The Vaillant 0020231193 Siphon is a genuine replacement condensate siphon designed for use in Vaillant EcoFit Pure and EcoFit Sustain boilers. The siphon safely collects and discharges condensate produced during boiler operation while maintaining a water seal that prevents flue gases from escaping into the property.

A blocked, cracked, or faulty siphon can cause gurgling noises, leaks, boiler lockouts, or condensate flow issues. Replacing it with this genuine Vaillant siphon restores safe condensate management and reliable boiler performance.

Key Features

• Genuine Vaillant condensate siphon assembly

• Maintains water seal to prevent flue gas escape

• Ensures safe and efficient condensate drainage

• Helps resolve leaks, blockages, and lockout faults

• Durable design for long-term reliability

• Direct-fit replacement for quick, accurate installation

Compatible With

This siphon is suitable for:

• Vaillant EcoFit Pure

• Vaillant EcoFit Sustain

Please verify the part number (0020231193) with your boiler manual to ensure correct compatibility.