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Johnson Controls
P74BA-9
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Differential Pressure Control, SPST, Close on Pressure Increase, 8 Psi to 70 Psi, 10 Psi Differential, Ammonia Use
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Johnson Controls
P74DA-10
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Differential Pressure Control, DPST, Close on Pressure Increase, 8 Psi to 70 Psi, 7 Psi to 30 Psi Adjustable Differential, 1/4" Npt Connection
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