V3313-A1S Zone Valve, 3-way, 3/4" Sweat, 24 VAC w/ End Switch
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$67.95+ FREE Shipping (USA)
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)..