2A 24VAC Electric Pressure Controller , Adjustable Differential Pressure Switch

2A 24VAC Electric Pressure Controller , Adjustable Differential Pressure Switch Feature 1. Single-pole double-gate, fully enclosed Penn switch 2. 1/4`` The horn pressure riser is connected to the sensitive component, making the installation easy on site. 3. Direct reading scale can quickly determine the set point 4. Change the differential pressure setting without moving the cover. Application: The WP74JA pressure controller combines two pressure elements with high sensitivit