New open box. Box might have some minor wear-and-tear. 30 day money back guarantee.
From the manufacturer:
United Electric 400 Pressure Switch - 2 SPDT Switch Output. Adjustable Setpoint Range: 0 to 200 PSI. Proof Pressure: 200 PSI, Overrange Pressure: 200 PSI. Deadband: 0.3 to 2.0 PSI. Brass Bellows, Nickel-Plated Brass 1/4" NPTF Pressure Connection, Internal Hex Screw Adjustment. Epoxy-Coated Diecast Aluminum NEMA 4X Enclosure Model formerly designated with factory stock number J402-164 (95223)