Product details:
Superior performance, durable construction, economically priced. Controlling flow of water in hydronic heating or cooling systems. Includes end switch for signal feedback and control, or use without end-switch feedback (simply not connecting switch wires). Quick removal of power head with FastFit design. Corrosion-resistant, stainless steel housing. Aluminum cover. Configuration: 2-way (2 port) Valve Body: 1/2" forged brass Connection: soldering / sweat Position: Normally Closed (NC) Capacity (Cv): 2.5 Close-Off (psi): 50 Voltage: 24 VAC Frequency: 50/60 Hz. End Switch: 24V, 2A Installation: 18" Lead Wires Heavy-duty motor with all metal gears. Quality tested for over 100K cycles for flawless operation. Valemo Zone Valves User Manual / Specification (PDF)