Why Anti-Siphon Is Needed

Understanding how an anti-siphon device protects the clean water supply from contamination.

What happens without anti-siphon?

  • 1
    Dirty or stagnant water can flow back into the supply line.
  • 2
    Using contaminated water may pose health risks such as stomach illness or infection.
  • 3
    Non-compliant with Singapore Standards SS636:2018
what happens without anti siphon
what happens with anti siphon

What happens without anti-siphon?

  • 1
    Prevents backflow of contaminated water into the clean supply.
  • 2
    Maintains safe and hygienic water quality for household use.
  • 3
    Complies with Singapore Standard SS 636 - Clause 6.5.2(b), which requires an efficient device to prevent siphonage through the inlet.