complete to suit astral Hurlcon RX FG sand filters This valve has 10 bolts around the top
Replacing the multiport will prevent air leaks in the filter thus creating air pockets in the filtration system and decreasing performance
The handle and rotor also wears and will not lift or seal rotor after changing cycles allowing water to leak either out of the multiport or out the backwash waste line.
This top assembly astral multiport valve will replace both the grey or black hexagonal valves
