The WIKA A2G-40 differential pressure switch for ventilation and air-conditioning, in the Δp function, monitors filters and ventilators in ventilation ducts and air shutters. The differential pressure switch is characterised by its simple mounting and high reliability. Suitable for dry, clean, non-aggressive gases, usually air, monitoring of ventilators, blowers and filters in air-conditioning and clean room applications,

Easy to install and assemble
Very reliable
Robust case and practical design
Overpressure monitoring in clean rooms and laboratories