Diaphragm pressure switches with micro switch (silicone-free versions available) for monitoring air pressures on air-conditioning, ventilation and extraction systems, for positive pressure, negative pressure and differential pressure.

For positive pressure, negative pressure and differential pressure measurement, for gas or air.

Monitors positive and negative gas pressures on various industrial gas and air appliances.

For monitoring gas and air pressures, also for biologically produced methane, with hand wheel for switching point adjustment, can be used as ''special-design pressure switch'', EU certified, AGA, EAC approved, RoHS compliant

For monitoring gas and air pressures

For monitoring air and flue gas pressures, for positive pressure, negative pressure and differential pressure

For monitoring air and flue gas pressures, for positive pressure, negative pressure and differential pressure, FM and CE approved

For monitoring air and flue gas pressures, for positive pressure, negative pressure and differential pressure

Complete selection of pressure indicators for use in combustion systems

Pressure gauges with capsule element or Bourdon tube for pressure display, positive-pressure-proof, with zero point correction, for gas and air.

Fema pressure switches.

L91 Proportioning Pressuretrol® Controllers are Series 90 Modulating Pressure Controllers that provide direct control of modulating motors or valves used on automatic burners or steam heating systems.