The low-profile room housing supports both AC or DC power sources (15-40 VDC or 18-28 VAC)

OEM Precision: Direct cross-reference for part number B1037487

040-inch orifice diameter

the limit switch is likely stuck open or tripping prematurely

Trane SWT0417 Switch L99H008 The low-profile room housing supportsThe Trane SWT0417 is a critical industrial grade differential pressure switch engineered for precise monitoring in high demand HVAC and air handling systems. As an essential safety and operational component, this 0. 15 4. 25" differential pressure switch ensures system integrity by detecting the specific pressure drop across filters, coils, or fan stages. Operating within a temperature range of 40 to 150F, this Trane OEM replacement part provides