The ALLEN BRADLEY 836T-T301JX7 is a piston-type pressure control switch from the 836T series, featuring a standard control mechanism without seal. It comes with a 1/4/13 industrial-grade enclosure and 2-circuit contact block. The unit has SAE 9/16-18 UNF thread O-ring boss seal configuration, with specified maximum range and minimum differential pressure parameters. Note: Factory warranty doesn't apply, but includes Beyondtech's warranty coverage.