Trane RLY3790 Relay 319825-402 Whether you are performing a

Whether you are performing a routine HVAC system repair or addressing a specific furnace burner assembly issue

Common Questions What model furnaces does the HK42FZ094 replace

single-throw electrical operation for seamless integration into existing 24V or 120V safety loops

ensuring compatibility with existing mounting footprints

When you are troubleshooting compressor solenoid engagement failures or intermittent low-pressure trips in York HVAC units

Trane RLY3790 Relay 319825-402 Whether you are performing aThe Trane RLY3790 is a heavy duty fan relay designed for precise industrial and residential air handler control. Featuring a 24V coil voltage, this inductive switching component provides the reliable on off logic required for proper HVAC blower motor operation. This switching relay is a standard OEM replacement part (also referenced as RLY03790) and is engineered for high current applications in demanding environments. With its SPST normally closed