This HVAC pressure switch is designed with a Single Pole Single Throw (SPST) normally open contact configuration

Precise Superheat Control: Optimizes refrigerant flow to the evaporator to maintain stable discharge temperatures

and that the blower is creating sufficient negative pressure to pull the valve diaphragm open

this unit is designed to handle significant flow rates while maintaining a steady downstream pressure

Wide Operating Range: Covers a temperature span from -4°F (Cold Off) to 38°F (Warm On)

Resideo VC4013ZZ11 Actuator R-407A This HVAC pressure switch isThe Resideo VC4013ZZ11 Actuator is a 200 240vac, high performance motorized operator designed for precise control in hydronic systems. Engineered as an SPST two position valve actuator, this non spring return unit is compatible with both two way and three way valve bodies, offering versatility for heating and cooling applications. The direct coupled mounting system allows for rapid installation without the need for specialized tools, while the 60psi