Caleffi 553542A AutoFill Automatic Boiler Fill Valve, Pressure Indicator, 1/2-Inch MNPT Inlet by 1/2-Inch
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<b>[Product Information]</b><br>
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<li>Maintain Pressure at Stable Value</li>
<li>Water will stop at set pressure</li>
<li>Connection Type: MNPT</li>
<li>Connection Size: 0.5-Inch</li>
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