Vase d'expansion 531 / 4 De Dietrich 0295197

Maintain stable pressure in your sealed heating system with this expansion vessel, model 531/4. It accommodates thermal expansion of water, preventing pressure spikes that could damage boiler components. Essential for boiler maintenance and repair, this vessel is compatible with many domestic heating systems. Its compact design allows for easy installation in tight spaces, making it a practical choice for both new installations and replacements.