Trane RLY1388 Relay 321042-401 The Trane SWT1744 High Limit

The Trane SWT1744 High Limit Switch is a critical safety component designed for industrial HVAC systems and heavy-duty gas furnace applications

additional sealants are generally not required and may interfere with the seating of the burner plate

is discharged during every cycle

This field-configurable module converts a single analog signal into two independent 10-amp SPDT relay outputs

Trane RLY1388 Relay 321042-401 The Trane SWT1744 High LimitThe Trane RLY1388 Relay is an authentic OEM double pole, double throw (DPDT) control component engineered for precise switching in residential and commercial HVAC applications. This RLY01388 switching relay features a 24V AC coil designed for standard low voltage control circuits, providing reliable actuation for blowers, compressors, and auxiliary heating elements. Built to handle demanding line voltage loads, its contacts are rated for 120 600V at