FVH 4 to suit 42mm - 54mm Aylesbury, Equilibrium & BS1212 float valves
Raised float valve housing incorporated into the tank lid. When ordered with the tank this item is formed as part of the tank lid and not a seperate item and is not removable.
Suitable for 15mm up to and including 42mm Equilibrium float valves c/w drop arm and 42mm BS1212 float valves c/w drop arm & 50mm KAX type Aylesbury float valves.
The float valve housing has a 490mm long x 140mm high screened spill over weir incorporated into the side wall, and has an external shroud to reduce the possibility of light ingress into the tank.