A reliable SPDT air‑pressure switch designed for monitoring low differential pressure in HVAC and industrial systems. It features a set‑point range of 0.15–0.50 in. w.c., a durable silicone diaphragm, and a 1/8" FNPT connection. Built with a zinc‑plated NEMA 1 enclosure, it operates from ‑30° to 180°F and handles up to 45" w.c. operating pressure. UL, CE, CSA, and FM approved, this switch delivers accurate performance in a compact, dependable design.
