Domestic, commercial and industrial magnetic
    and scale filtration systems

Expansion vessel service valve

This prevents draining down the whole heating which prevents losing time and chemical inhibitor. Easy point to re pressurize the expansion vessel, drain via washing machine hose and add chemical inhibitor whilst you have the added benefit of the filling loop adapter.

Trappex expansion vessel
  • Easy drain point access
  • Allows expansion vessel to be isolated
  • Add inhibitor with the yearly service
  • Can be used with the Trappex expansion vessel bracket
  • Incorporated filling loop assembly
  • Shut off heating system without pressure loss
  • Shut off heating system and charge expansion vessel