Best Float Valve, 1" w/Brass Seat

Best Float Valve, 1" w/Brass Seat

The V1K Best Float Valve, 1" w/Brass Seat (also known as a Watson valve) is a rugged, simple livestock water tank float valve kit built for dependable automatic water level control. Designed to handle up to 90 psi, it includes a hot-dip galvanized steel body and 18" lever, a brass valve seat, and a 6" × 12" float with zinc chain. With no binding parts and a replaceable EPDM rubber washer, it’s a durable, service-friendly choice for cattle stock tanks—especially in mild or soft water conditions.

Country of Origin: Made in the U.S.A.

Key Features / Specifications

• Model / SKU: V1K
• Product Type: Float valve kit (Watson-style)
• Valve Size: 1"
• Seat Material: Brass
• Max Pressure: Up to 90 psi
• Flow Performance (as listed): 13 GPM on 1-1/2" line @ 5 psi; 50 GPM on 2" line @ 45 psi
• Lever / Body: Hot-dip galvanized steel
• Lever Length: 18"
• Float: 6" × 12" with zinc chain
• Washer: Replaceable EPDM rubber washer
• Design Notes: No binding parts; lever can be flipped to allow water entry from the top of the tank

Ideal For

• Automatic fill control in livestock tanks using a 1" float valve
• Cattle stock tanks where a simple, durable Watson-style valve is preferred
• Systems running up to 90 psi
• Farms wanting easy maintenance with a replaceable EPDM washer
• Installations where flipping the lever to change fill direction is helpful