Trane SWT3982 Switch R-134A this is a drop-in cartridge

this is a drop-in cartridge kit that installs into the existing valve body after the bonnet is removed

Common indicators include an audible humming sound

This kit typically contains the high-performance NBR diaphragm assembly

Ensure the unused primary lead is properly capped to avoid electrical shorts

Key Benefits for Contractors: Precise Gas Regulation: Optimized for low gas volumes to prevent pilot outage and flickering

Trane SWT3982 Switch R-134A this is a drop-in cartridgeThe Trane SWT3982 is a critical high limit reverse flow switch designed for precision thermal monitoring in light commercial and residential HVAC systems. Engineered for specific setpoints, this bimetal snap action switch features a 105F opening temperature and resets on a temperature fall at 95F. This 10 degree differential ensures stable cycling and prevents short cycling of the compressor or heater banks during low airflow conditions. Built to