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This AP Products regulator automatically switches from your primary propane cylinder to the reserve tank once the primary empties, so you're not left without gas mid-trip. A red/green indicator float shows tank status at a glance, and a flow indicator knob marks which cylinder is set as primary.
The complete assembly includes two 24" pigtails, a protective cover, and a mounting bracket, plus a service technician tap for performing flow, lockup, and leak tests.
Two-stage regulator with 1/4" female inlet and 3/8" female outlet threads, designed for vertical mounting.