Feature: 1. Perfect Sealing: The return main has a double EPDM O ring to reduce noise to a very low level and double protection for safety performance. 2. Individual Control: Each branch of the return water main is equipped with a temperature control valve that can be switched on and off via a handle for the branch in which it is located. 3. Stainless Steel: The stem of the return main is made of stainless steel, which effectively reduces friction and prevents scaling. 4. Easy Installation: Smooth inner wall with no roughness, main pipe diameter G1in, easy and quick installation with its own thickened bracket. 5. High Accuracy: Our valves are highly accurate flow meters with scale display, stable quality and long service life. Specification: Item Type: Radiant Heat Manifold Material: Stainless steel Surface Finish: Brushed finish Nominal Pressure: PN≤1.2Mpa High and Low Temperature Resistance: -20℃-110℃ Forming Process: Using 1700/T forging and tempering process Intelligent Structure: Visible adjustable upper flow meter, lower intelligent Product Thread: Thread standard in line with ISO228 standard Working Medium: Water, non corrosive liquids Test pressure: Mpa0.8-1.0 Product Structure: Inlet water is spiral soft EPDM seal, return water is intelligent temperature control valve spool Branch Pipe: 1216. Package List: 2 x Radiant Heat Manifold4 x Valve2 x Pressure Watch10 x Fixing Accessory8 x Screw1 x Instruction