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The Johnson Controls A-4000-144 is a 1/4 inch safety relief valve designed to prevent excessive pressure in various systems. It activates at a pressure of 25 PSI, ensuring system integrity. This unit is made for durability, suitable for industrial applications.
Reliable pressure relief for equipment protection.
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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