HCPRO PRODUCTS 22-0004 Straight Adapter Male Unf Female 661094574435 R410AS 1/4 5/16 1/2 20

( Brand: Hcpro Products ), ( Manufacturer Part Number: 22-0004 ), ( Part Type: Adapter ), ( Manufacturer Warranty Description: 1 Year From Manufacturer ), ( UPC: 661094574435 ), ( Item Type Name: R410a Adapter ), ( Included Components: 1 Brass Adapter Straight ), ( Unit Count: 1.0 Count ), ( Connector Type: 1/4 Sae Male 5/16 ), ( Thread Size: 1/4 Inches ), ( Thread Type: Unf ), ( Size: 1/4 Inch ), ( Item Dimensions: 1.5 X 0.75 X 0.75 Inches ), ( Color: Brass / Gold Tone ), ( Exterior Finish: Polished Brass ), ( Material Type: Brass )

Review HCPRO PRODUCTS R410a Straight Adapter 1/4 Inch Sae Male 5/16 1/2 20 Unf Female

The **HCPro 22-0004 R410A Straight Adapter** is a precision-engineered, high-performance coupling designed to seamlessly connect refrigeration, HVAC, and air conditioning systems where compatibility between different pipe thread standards is required. This versatile adapter bridges the gap between **1/4-inch male NPT (National Pipe Thread)** and **female UNF (Unified National Fine Thread)** connections, featuring a **5/16-inch, 1/2-inch, and 20 UNF female end** on the opposite side to accommodate a wide range of refrigeration lines, including those utilizing **R410A refrigerant**. Crafted from durable, corrosion-resistant materials, this adapter ensures a secure, leak-proof seal under high-pressure conditions, making it ideal for both residential and commercial applications. Its **straight design** eliminates the need for additional fittings or bends, streamlining installation while maintaining optimal flow efficiency. The **R410A designation** indicates its compatibility with modern refrigerants, ensuring safe and reliable operation in systems designed for this environmentally friendly alternative to older refrigerants. Whether used in new installations, retrofits, or maintenance repairs, this adapter provides a dependable solution for connecting dissimilar piping systems with confidence, reducing downtime and ensuring long-term performance.

### **Pros and Cons of buying a HCPro 22-0004 (R410A Straight Adapter, 1/4" Male to 5/16", 1/2", 20 UNF Female)**

1. **Compatibility with R410A Systems** This adapter is specifically designed for R410A refrigerant systems, ensuring proper sealing and functionality without cross-contamination with older refrigerants like R22.

2. **Multi-Size Connectivity** The adapter features a **1/4" male** connection on one end, allowing it to interface with common refrigerant hoses, while the **female side** includes **5/16", 1/2", and 20 UNF** fittings, making it versatile for different service tools and gauges.

3. **Straight Design** Unlike angled adapters, this straight configuration may be easier to use in tight spaces, reducing the need for repositioning tools during service.

4. **Durable Construction** HCPro is a reputable brand known for quality refrigerant adapters, suggesting this product is built to withstand repeated use without leaking.

5. **Easy Installation** The design appears straightforward, requiring minimal tools for installation, which can save time during maintenance or repairs.

6. **Prevents Refrigerant Mixing** Since it s R410A-rated, it helps avoid accidental mixing with other refrigerants, which could damage equipment or void warranties.

1. **Limited to R410A Systems** If you work on **R22 or other refrigerant types**, this adapter is incompatible and could cause leaks or system damage if misused.

2. **Potential Leak Risk** Like all refrigerant adapters, improper installation or damaged threads could lead to leaks, requiring frequent checks.

3. **No Built-in Filter Drier** This adapter does not include a filter drier, meaning you must ensure the system is clean before connecting it to avoid contaminating the refrigerant.

4. **May Require Additional Tools** While the design is simple, some users may need a **wrench or torque tool** to ensure a proper seal, especially on the female side.

5. **Price Consideration** Depending on availability, this adapter may be more expensive than generic alternatives, though quality justifies the cost for professional use.

6. **Not Universal** The **20 UNF female** fitting is less common than standard metric or NPT threads, which could limit compatibility with some older or non-HCPro tools.

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### **Conclusion**

The **HCPro 22-0004 R410A Straight Adapter** is a **high-quality, versatile tool** ideal for technicians working exclusively with **R410A systems**. Its **multi-size female connections** and **durable construction** make it a reliable choice for refrigerant service work. However, its **specialized nature** (R410A only) and **potential compatibility issues** with non-standard tools mean it may not be the best fit for every scenario.

If you frequently work on **R410A HVAC/R systems** and need a **reliable, multi-fitting adapter**, this is a strong recommendation. However, if you deal with **multiple refrigerant types** or require **universal compatibility**, you may need to consider additional adapters or a different brand.

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### **Recommendation**

- You work **exclusively or primarily with R410A systems**.

- You need a **straight, multi-size connection** for gauges or hoses.

- You value **brand reliability** and **durability** in refrigerant tools.

- You work with **multiple refrigerants** (R22, R32, etc.) and need a **universal adapter**.

- You prefer **metric or NPT threading** over 20 UNF.

- You require **built-in filtration** (filter drier) in your adapter.

For most **professional HVAC/R technicians servicing R410A equipment**, this adapter is a **solid investment** that improves efficiency and reduces downtime. Always **inspect for leaks** after installation and ensure proper sealing to maintain system integrity.

Details:

Compatible with R 410a refrigerant tanks, gauges, pumps, and hose kits for mini split maintenance charging. Easy Conversion for HVAC Tools Adapts standard 1/4 SAE flare hoses, manifold gauge sets, and vacuum pumps to fit R 410a mini split service ports. HCPRO R 410a Straight Adapter 1/4 SAE Male 5/16 1/2 20 UNF Female HVAC Refrigerant Couplet Fitting Mini Split AC Charging Tool Air Conditioner Service Connector:: Compatibility designed for R- 410a refrigerant systems, this male female adapter ensures a leak-free connection between hoses, manifolds, and mini split service ports. Straight Adapter Design Features a straight connection profile that provides secure and stable link between tools service ports.

Built-In Check Valve for Safety Includes an integrated check valve that prevents refrigerant back flow and accidental discharge during connection or disconnection. Solid Brass Construction Made from heavy-duty solid brass for superior strength, durability, and resistance to corrosion. Leak Prevention with Precision Seal Machined threads and an integrated gasket deliver a tight, reliable seal to prevent refrigerant loss during vacuuming, charging, or diagnostics. Ideal for installations w an angled or swivel fitting is not required.

Essential for technicians working on modern mini split air conditioners. Fast Delivery. Essential AC Service Tool A must-have adapter for HVAC technicians, contractors, and installers. Ensures safer handling, protects tools, and reduces refrigerant loss in R 410a service jobs.

part #: 220004 prices

• $26.24-$26.35

specifications acondne:

• brand: Hcpro Products
• mpn: 22-0004
• part type: Adapter
• manufacturer warranty description: 1 Year From Manufacturer
• upc: 661094574435
• item type name: R410a Adapter
• included components: 1 Brass Adapter Straight
• unit count: 1.0 Count
• connector type: 1/4 Sae Male 5/16
• thread size: 1/4 Inches
• thread type: Unf
• size: 1/4 Inch
• item dimensions: 1.5 X 0.75 X 0.75 Inches
• color: Brass / Gold Tone
• exterior finish: Polished Brass
• material type: Brass

payments acondne:

• credit card: Diners-club
• wallet: Apple-pay
• other

seller acondne:

• city: Miami, Florida
• rating: 100.0%
• # reviews: 3836

offer acondne:

• started: June 2, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock

shipping acondne:

• class: Expedited
• cost: $0.00
• service: Expedited
• transit: 4-9 Days
• type: Fixed

general acondne:

• condition: New
• Heating, Cooling Air > Central Heating Cooling Systems > Central Air Conditioners

returns acondne:

• policy: No Returns