Allows the vessel to be isolated and drained for essential periodic servicing and re-charging. Shut-off and drain, for membrane expansion vessels in sealed heating and cooling systems. Protected shut / open facility against inadvertent closing.
Technical specification
Toilet Cistern CapacityFTW--Supplier Part NumberEVSV
Reviews
Expansion Vessel Service Valve 3/4 Inch X 3/4 Inch