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The Harris 3940 is a nitrogen purging regulator specifically designed for HVAC applications. It operates effectively up to 400 PSIG. This regulator features a 1/4 inch 45-degree flare SAE outlet, allowing for versatile connections. It is a reliable choice for professionals requiring precise nitrogen control during HVAC system maintenance.
Durable and efficient design for HVAC nitrogen purging tasks.
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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