Description
The Supco SF3900 Core Removal Tool is a professional-grade refrigerant service tool engineered to simplify Schrader valve core removal and installation. Designed for HVAC/R technicians who demand reliability and efficiency in the field, the SF3900 allows cores to be removed and replaced without losing system pressure or refrigerant charge — saving time and reducing waste on every service call.
Key Features
- Enables Schrader valve core removal and installation under pressure
- Prevents refrigerant loss during core service procedures
- Durable construction built to withstand demanding field conditions
- Compact, ergonomic design for easy one-handed operation
- Compatible with standard Schrader valve fittings found in HVAC/R systems
- Ideal for use during system charging, evacuation, and maintenance
Why Choose the Supco SF3900?
Supco has been a trusted name in HVAC/R tools and components for decades. The SF3900 Core Removal Tool reflects that legacy of quality — delivering a dependable solution for one of the most common refrigerant service tasks. Whether you’re servicing residential split systems, commercial refrigeration equipment, or light commercial HVAC units, the SF3900 helps you get the job done right the first time.
Applications
- Residential and commercial HVAC systems
- Refrigeration equipment service and maintenance
- System evacuation and refrigerant charging procedures
- Preventive maintenance and leak repair workflows







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