Dual function gage made by U.S. Gage. 3-3/4" Dia gage has a pressure gage and a temperature gage all in one. Pressure section reads fron <30PSI to 200PSI (<150kpa - 1400kpa). Temp. section reads from 80OF to 320OF (25degC-160degC). Designed to fit into a tank wall. 2" long temp. probe is centered in pressure fitting. Not sure of fitting; appears 3/4NPT
