Yellow Jacket Refrigerant A2L Adapter Str ¼ X ¼ LH Ffl

The Yellow Jacket 19124 is a straight A2L service adapter with 1/4 inch connections and left hand threads, used with equipment charged with mildly flammable refrigerants.

Left hand threads are the physical keying the industry adopted to separate A2L refrigerant service equipment from equipment intended for other refrigerant classes. A left hand fitting will not thread into a right hand connection, which prevents cross connection between refrigerant classes and prevents cylinders being filled with the wrong product.

Keying by thread direction has an established history in gas handling. Fuel gases such as acetylene use left hand threads on regulator and hose connections for exactly the same reason, and the convention is recognisable to anyone who has worked with welding equipment.

The practical effect is that a technician working across both older equipment and new A2L systems carries two sets of fittings and adapters. Attempting to work around the keying with unrated adapters defeats a safety measure that exists because A2L refrigerants are flammable.

Beyond fittings, A2L service requires recovery equipment rated for flammable refrigerant, leak detection appropriate to the refrigerant, and control of ignition sources in the working area.

Confirm thread direction, size, pressure rating, and A2L approval before use. Verify that all equipment in the connection chain, including hoses, manifold, and recovery machine, is rated for the refrigerant being handled.

Brand

Yellow Jacket

SKU

19124

Category

Refrigerants & Charging Kits

Weight

0.08 lbs

Dimensions

1.50" x 0.60" x 0.60"

Price

$18.00

Availability

In stock (8 available)

Rating

0 / 5.0