R402b (HP81) made for the 3 to 12 Lb. Tanks, Check & Charge-Kit Gauge Kit & Charging Hose
Use the R502 scale for R402b (HP81) as the temperature/pressure relationship is similar!
(1) 36" Charging hose, 1/4" female flare by 1/4" female flare.
One connection on the hose is straight, and the other has a slight 45-degree angle.
The connection with the 45-degree angle has an internal valve core depressor.
The straight connection does not have a valve core depressor.
The Gauge is JB, 12-22-502
It reads in, R12, R22 and R502
