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The Johnson Controls VG7842GS+3801D pneumatic valve, featuring a 1/2 inch NPT bronze body, is engineered for optimal performance in a variety of hydronic heating and cooling systems.
This valve is designed for precise control with a spring range of 4-8 psi, suitable for both water and glycol-based systems. Its NPT threading makes it ideal for standardized connections and retrofit installations.
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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