METAL TROUGH-O-MATIC ANTI-SIPHON Catalog Farm & Ranch Water Tanks METAL TROUGH-O-MATIC ANTI-SIPHON Manufacturer : Miller Manufacturing Company Model Number : TM830AS Description Anti-Siphon Float Valve automatically controls water level for most plastic and metal stock tanks, troughs, barrels, and pans Flows up to 245 gallons per hour, operates between 20 and 50 psi Durable aluminum housing with expansion brackets to fit tanks with wider or thicker rims Accepts a standard 3/4 inch garden hose Rates Please contact us for current pricing and availability.