The valve is activated by line pressure according to a modulating 2-way horizontal float which maintains a constant preset water level. Therefore, the reservoir or water tank is “always full”.

Rugged, high quality construction meets applicable engineering standards
Long service life and low maintenance
Unique technology, innovative design and performance
Free and unobstructed liquid flow with minimal head loss
Designed to reduce cavitation
Elliptic diaphragm reacts faster with less movement
Small control chamber enables quicker response