Browse our professional range of adapters & couplers built for HVAC‑R, refrigeration, and air‑conditioning service. Reduce leaks, speed up connections, and maintain maximum performance.
Why Our Adapters and Couplers Make a Difference
Precision Fit and Seal – Whether male, female, flare, or swivel; every adapter ensures tight coupling to prevent refrigerant leaks.
Durable Materials – Brass, stainless steel, and high‑grade alloys for strength under high pressure and harsh conditions.
Valve Core Depressor Options – Simplify core valve access and improve safety when connecting/disconnecting.
Swivel and Elbow Designs – Flexibility in tight spaces; ideal for fieldwork setups or confined installations.
Multi‑Refrigerant Compatibility – Compatible with R‑410A, R‑32, R‑134a, and other refrigerants used in modern systems.
Shop Leading HVAC Adapter and Coupler Brands – Built for Precision and Reliability
Explore a curated selection of premium HVAC adapters and couplers from industry-leading brands, engineered for performance, durability, and system compatibility. Every component is clearly labelled with exact sizing, thread type, pressure rating, and material specifications to ensure seamless integration into your workflow.
Detailed technical specs provided for all fittings – including SAE, NPT, flare, and specialty thread types.
Sourced from trusted manufacturers like CPS, Javac, Imperial, and Mastercool – all backed by full manufacturer warranties.
Compatible with a wide range of HVAC-R systems, including R410A, R32, R134a, R22, and more.
Real-time stock visibility: Instantly know what’s in stock, low stock, or back-ordered – no surprises.
Engineered to meet or exceed industry standards, our adapter and coupler range is designed to deliver leak-free connections, long service life, and reliable performance in demanding field environments.
5/8″ Line Splice Tool Kit CD76011 Quick, durable permanent metal line repair without line removal No crimping tool required Compensates for out of bounds or scratched tubing Anti-vibration tension ring...
5/16″ Line Splice Tool Kit CD76003 Quick, durable permanent metal line repair without line removal No crimping tool required Compensates for out of bounds or scratched tubing Anti-vibration tension ring...
3/8″ Line Splice Tool Kit CD76002 Quick, durable permanent metal line repair without line removal No crimping tool required Compensates for out of bounds or scratched tubing Anti-vibration tension ring...
1/2″ Line Splice Tool Kit CD76001 Quick, durable permanent metal line repair without line removal No crimping tool required Compensates for out of bounds or scratched tubing Anti-vibration tension ring...
Pack of 100 C&D 1/4" Male to 1/8" Female Adaptor CD1818 1/4” male flare access x 1/8” MPT body MPT end can be used as solder fitting and will accommodate 1/4″...
Pack of 6 C&D 1/4" Male to 1/8" Female Adaptor CD1818 1/4” male flare access x 1/8” MPT body MPT end can be used as solder fitting and will accommodate 1/4″...
When attached to an access fitting, the “Sure-Seal” retaining coupler CD2035 automatically open and depresses the valve core all in one action. When disconnected, it traps refrigerant in the charging...
Looking for a better way to connect your vacuum gauge or vacuum transducer to your core tool or access port? Then a vacuum gauge coupler is a great solution! Constructed...