HS-1221 Brass Refrigerant Safety Valve, 1/4" 5/16" Thread AC Charging Adapter, R410A R22 Compatible Fitting for Home AC Repair

The HS-1221 Refrigerant Safety Valve is a professional-grade tool designed for efficient charging and maintenance of R410A, R22, and R32 refrigeration systems.Equipped with standard 1/4" male and 5/16" female threads, it ensures universal compatibility with most household air conditioners and mini splits, solving common connection issues during repairs.Crafted from durable solid brass, this valve delivers exceptional reliability under high pressure. Its precision-machined body and tight thread seals prevent refrigerant leakage, ensuring safe and efficient operation.The user-friendly control knob simplifies precise flow adjustment, while the anti-freeze feature provides comfort and safety. Compact and lightweight, it easily fits into any toolbox, making it a must-have for HVAC technicians and DIY enthusiasts.Whether you are topping up refrigerant or troubleshooting cooling issues, the HS-1221 provides stable, long-lasting performance to streamline your maintenance work.

• 1. Perfect Size Fit: Features 1/4" male thread and 5/16" female thread, perfectly matching most R410A/R22/R32 air conditioning units. Eliminates interface mismatches for hassle-free charging.
• 2. Heavy-Duty Brass Construction: Forge from solid brass for maximum hardness, corrosion resistance, and pressure tolerance. Precision threads ensure leak-proof connections during high-pressure use.
• 3. Easy & Safe Operation: Ergonomic knurled knob allows one-hand flow control. The anti-freeze design protects hands from cold burns, suitable for professionals and DIY homeowners.
• 4. Multifunctional HVAC Tool: Ideal for refrigerant charging, pressure testing, and leak detection. Compact and portable, it is an essential accessory for AC repair shops and home maintenance.
• 5. Reliable Support: Strictly quality inspected. Comes with 5 spare washers for easy replacement. We offer fast after-sales support to resolve any issues quickly.