Hi Group,

My Tangley CA-43 plate says: No. 1244, Model CA-43, Tuned 3/4, Gauge
Pressure 1, Blower Speed 710, Pressure Range 5/8 to 1.

Nowhere on the plate or the gauge does it indicate what units are being
measured. The gauge reads from 0 to 4.

Jack M. Conway
Los Angeles, California, USA