Description Manuals Videos Articles Clemco 01906 - Regulator, 1 1/2 with Gauge Customers Also Viewed Regulator, 1-1/2" pilot-op w/gauge for Wetbla… #12051 $431.81 Regulator, 1 inch with Gauge #01904 $307.25 Service Kit, for 01902, 01903, 01904 & 01906 #22824 $172.89