Hydronic Bypass Valves

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CALEFFI 519502A DIFFERENTIAL BYPASS VALVE BRASS 3/4IN NPT

MFR Part #: MFR Part # 519502A

SKU #: SKU #3121330

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CALEFFI 519600A DIFFERENTIAL BYPASS VALVE BRASS 1IN NPT

MFR Part #: MFR Part # 519600A

SKU #: SKU #3121331

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CALEFFI 519700A DIFFERENTIAL BYPASS VALVE BRASS 1-1/4IN NPT

MFR Part #: MFR Part # 519700A

SKU #: SKU #3121332

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