The unique float stem is securely retained by the float arm, making it impossible for the float to become detached once installed. The float can be adjusted by simply turning either the top or bottom of the stem. A float arm ratchet enables very precise final water level adjustments to be made, and when set the float level stays firmly in place.
The Hydroflo meets the requirements of BS1212 Part 4 passing rigorous 200,000 cycle endurance tests. With health and safety firmly in mind, Hydroflo float valves boast two built in backflow prevention devices. An air break above the silence tube and a special membrane inside the head of the valve combine to offer one of the safest float valves available. A useful key is attached to the head of each Hydroflo that allows quick and easy removal of the filter without any risk of damage. Each Hydroflo also comes with a lay-flat silence tube for exceptionally quiet filling.