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The CALEFFI 519566A Differential Bypass Valve is a mechanical component designed for hydronic systems. This 3/4" press fit valve, constructed from brass, regulates differential pressure to ensure balanced flow and prevent excessive pressure buildup. It is suitable for industrial and scientific applications requiring precise control within process systems.
Essential for maintaining balanced flow and preventing pressure imbalances in heating and cooling systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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