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Amazon.com: Kazeffi Motorized Zone Valve, 2 way,NPT 1", Normally Closed,2 wire control 24 VAC : Industrial & Scientific
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Series 3ZV1 | Three-Way Zone Valve is ideal for flow control in hot and cold water HVAC systems. Electrically driven to open and spring to close. Easy to install. Manual override lever
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Honeywell V8043E1413/U 2-Position Low Voltage Normally Closed Zone Valve, 1 in, Pro Press, 120 psi Static, 24 VAC | AF Supply
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Honeywell V4043H 1056 - 2 Port Motorised Zone Valve 22mm V4043H1056 - Specialists in plumbing & heating spares
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