The expansion vessel when fully charged, will absorb all expanded water produced by the Hotflo heater during normal operation. The check valve prevents backflow of hot water and eliminates any possibility of crosscontamination between cold and hot water.
Expansion vessel connection 1/2" BSP male
Precharged to 4.1 bar
Check valve connection 15 mm compression
Guaranteed for 2 years
Made To Order
Manufacturer Model No
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