Hudson auto fill valve 1". Float valve maintains pond water level using fluid pressure, instead of a lever arm and ball, as the force to close. Compact, self-contained design greatly enhances reliability. These pond float valves are made of durable glass filled nylon 6/6, ABS plastic, silicone and stainless steel. When installed properly, fill valve meets anti-siphon requirements. Operating limits 8-100 psi.
2 year manufacturer warranty.