Comments Regarding R134A Manifold Gauge Set

^ Be certain that the gauge face indicates R-134a or 134a.

^ Be certain that the manifold gauge set has the 1/2" - 16 ACME threaded connections for service hoses, ensuring that only R-134a service hoses are used.

^ Be certain that no refrigerant other than R-134a (along with only specified lubricants) are used with the manifold gauge set.