Taco T571-2 3/4-Inch Gold Series Zone Valve Description The Taco 571-2 3/4" Sweat Gold Series Zone Valve is the industry standard for Hydronic heating applications. The quiet and dependable operation has made this valve an industry leader for decades. The manual open lever and twist off head makes installation and service easy. From the Manufacturer The Gold Series is the industry standard for hydronic heating applications. The quiet and dependable operation has made this valve an industry leader for decades. The manual open lever and twist off head makes installation and service easy. Features: Exclusive heat motor functions silently This product adds a great value This product is manufactured in United States 0. 75-Inch sweat Two way zone valve Normal Flow Ranges (GPM)-1 - 4. 5 Max. Fluid Temp-240-Degree Min. Fluid Temp-40-Degree 0.75-Inch sweat Two way zone valve Normal Flow Ranges (GPM)-1 - 4.5 Max. Fluid Temp-240-Degree Min. Fluid Temp-40-Degree Product Details: Material: Bronze Brand: Taco Item Dimensions LxWxH: 3.5 x 2 x 5 inches Inlet Connection Type: Sweat Outlet Connection Type: Sweat Valve Type: two Is Discontinued By Manufacturer : No Product Dimensions : 3.5 x 2 x 5 inches; 2 Pounds Item model number : T571-2 Date First Available : May 1, 2005 Manufacturer : Taco Best Sellers Rank: #56,477 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #46 in Faucet Valves #46 in Faucet Valves Customer Reviews: 4.7 4.7 out of 5 stars 136 ratings