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Johnson Controls
P74BA-15
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Differential Pressure Control, SPST, Close on Pressure Increase, 8 Psi to 70 Psi, 15 Psi Differential, Ammonia Use
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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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