MARS 43347 Pressure Switch 321894-706 The Johnson Controls R-3710-1005 is

The Johnson Controls R-3710-1005 is a high-precision red inserted restrictor designed for critical pneumatic operating systems

this 1-inch NPT valve provides exceptional flow control for air

this direct drive blower motor ensures your system maintains factory-grade efficiency and static pressure performance

30 inches Water Column

which prevents the contacts from opening and risks burning out the start capacitor

MARS 43347 Pressure Switch 321894-706 The Johnson Controls R-3710-1005 isThe MARS 43347 Pressure Switch is a heavy duty, auto reset low pressure control engineered for precise refrigerant monitoring in residential and commercial HVACR systems. This SPST normally open pressure switch is factory set to open at 25 PSI and close at 65 PSI, providing reliable protection against low side pressure drops that can lead to compressor failure. Specifically designed for compatibility with common refrigerants, including R 410A