Kromschröder | DG500HT-22N | Switch

Manual gas pressure switch that monitors extremely low-pressure differentials and triggers switch-on, switch-off, or switch-over operations if a set switching point is reached. The switching point can be adjusted using a hand wheel. It monitors positive and negative gas pressures on various industrial gas and air appliances such as boiler fans. The switch also monitors differential pressure in firing, ventilation, and air-conditioning systems.