Trane SWT3157 Pressure Switch 340155-7024 it may fit other brands

it may fit other brands if the line diameters (1/2" x 7/8") and voltage requirements match

making it suitable for heavy-duty pilot duty and motor loads up to 2 HP

The Johnson Controls V-3801-8001 Actuator is a professional-grade pneumatic valve actuator designed specifically for low-pressure steam and water applications where mounting space is at a premium

it ensures high-accuracy

which can lead to premature blower failure

Trane SWT3157 Pressure Switch 340155-7024 it may fit other brandsThe Trane SWT3157 Pressure Switch is an OEM grade low pressure switch designed specifically for R 410A and similar residential refrigeration and air conditioning systems. Engineered for precision monitoring, this SPST (Single Pole Single Throw) component provides a critical failsafe by opening the electrical circuit when suction line pressure drops below safe operational thresholds. This specific model features a factory calibrated 25 PSI open (break)