Carrier 318423-701 Sweat Adapter

The Carrier 318423-701 Sweat Adapter is a critical factory authorized part engineered for high-integrity transitions in residential and commercial HVACR systems. Constructed from lead-free DZR brass (Dezincification Resistant), this adapter is specifically designed to combat elective corrosion in aggressive water conditions, ensuring a reliable, long-term FIP to PEX connection. As a veteran technician knows, maintaining the material integrity of the refrigerant line or potable water interface is paramount; this part provides a leak-free sweat connection that bridges the gap between traditional copper manifolds and modern flexible PEX tubing.

This HVAC replacement part is the low-cost, high-reliability solution for addressing worn-out or damaged sweat adapters in the field. Its compact geometry allows for seamless installation in tight cabinets or joist spaces where standard compression fittings are impractical. By utilizing an OEM Carrier adapter, contractors ensure system compatibility and maintain the precise flow characteristics required for optimal equipment performance. Whether you are performing a mid-season repair or a full system retrofit, this DZR brass fitting provides the industrial-grade durability required to prevent callbacks and ensure a professional-grade seal every time.

• Lead-Free DZR Brass: Superior resistance to corrosion and dezincification ensures the longevity of the connection.
• PEX Compatibility: Specifically designed to transition from sweat or FIP connections to PEX tubing with ease.
• Precision Fit: Factory-authorized engineering ensures exact tolerances for a secure, professional-grade sweat joint.
• Cost-Effective Maintenance: A reliable, affordable solution for replacing damaged adapters without replacing entire line sets.

• Is this adapter compatible with standard PEX sizes? Yes, the 318423-701 is designed to interface with standard PEX tubing used in typical HVAC and plumbing applications.
• Can this be used for potable water applications? Absolutely. The lead-free DZR brass construction meets the requirements for safe use in potable water systems.
• What is the primary advantage of a sweat adapter over compression? Sweat adapters provide a permanent, metallurgical bond that is less prone to vibration-induced leaks or thermal expansion issues compared to mechanical fittings.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.