Differential pressure switch

Differential Pressure Flow Switch Stainless Steel Adjustable 2 Wire 6‑100kpa 125VAC 250VAC

Tianen TEB930 Pressure Switch (500–2500Pa) - Micro Differential & Wind Pressure Switch

Compressor Pressure Switch SPDT Pneumatic Pressure Gauge Adjustable Differential Pressure Contro

Micro Air Differential Pressure Switch for HVAC and Ventilation Systems

Differential Pressure Switch Overheat Protection Automatic Disconnection Shockproof Pressure Switch

Pressure Differential Switch 50?500pa Waterproof Heating Ventilation Furnace Vent Air Pressure

101.5*65*56.5 Mm Pressure Switch 1pc Air Differential

Adjustable Water Level Float Switch with ABS Differential Pressure Plastic

Wind Pressure Switch 30?300pa Overheating Protection Gas Furnace Vent Air Differential Pressure

Differential Pressure Switch Furnace Vent Adjustable Overheating Protection 1000?5000pa LF32

Adjustable Air Differential Pressure Switches Small Sensitivity 20 200Pa/30 300Pa/50 500Pa Portable for HVAC Systems