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This differential air pressure switch features a factory-fixed setpoint of 0
bridge the low-level probe to terminal 4 and the high-level probe to terminal 3
Whether you are upgrading an older furnace or repairing a modern air handler
Smith 100112430 Switch is a factory-specified blocked inlet pressure switch designed to maintain critical safety standards in high-efficiency boilers and water heaters
eliminating the need for field splicing and ensuring your repair meets the original manufacturer’s specifications for York HVAC systems
Siemens Industrial Controls 3RT2028-1AP60 Contactor 318973-401 This differential air pressure switchProfessional grade motor control requires components that handle thermal and electrical stress without failure. The Siemens 3RT2028 1AP60 Contactor is a size S0 three pole IEC contactor engineered for high demand SIRIUS motor starter applications. This 38A power contactor features a 240V AC coil (50 60Hz) and is rated for motors up to 25 HP at 460V, making it a staple for industrial HVACR and automation systems. Designed with screw terminals for