White-Rodgers™ Hydronic Zone Control Valve, 3/4 in Nominal, Sweat Connection, 3-Way -Ways/Position, 50 lb/sq-in Working, 15 psid Pressure, 23.5 Flow Coefficient, Stainless Steel, Configuration: NC, 0.5 A, 24 V, 240 deg F Water, 2-7/8 in L x 2-3/4 in W x 5-5/8 in H

• Quiet operation
• Stainless steel valve stem
• Automatic recycling manual operator shows valve position at all times
• Built-in auxiliary contacts to control burner or circulator relay
• Motor can be removed from valve assembly without draining system
• 45 sec open and close time cycle
• 2-1/2 ft of tubing friction loss equivalent
• Includes screw terminal wiring panel and auxiliary switch
• 2 A at 24 VAC electric rating of auxiliary switch
• 0.4 A at 24 VAC thermostat circuit rating

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/White_Rodgers_1311_102_Catalog.pdf
• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/White_Rodgers_1311_102_Manual.pdf