DescriptionSolar fluid Expansion Vessel 18ltr fitted with 3/4″ BSP outlet. This product has been fitted with high temperature bellows inside to stop the vessel from filling up with water. These are required for all solar heating systems. Make sure your expansion and contraction pipe work is correctly sized. Use the quick fitting expansion vessel wall bracket and valve kit with this product. High temperature 18 litre solar thermal expansion vessel used to prevent pipework connections from expanding. Dragons Breath Solar Heating Components, Hot Water System Parts & Spares
