Trane RLY1388 Relay 321702-401 this component provides the high-torque

this component provides the high-torque electrical storage necessary to start and run both the compressor and fan motors within a single

including the MA-5100

It is designed for standard 24VAC/DC control circuits commonly found in York and Johnson Controls rooftop units

and Carlyle HVAC systems

Operational Clarity: Provides clear English text messages instead of cryptic blink codes for faster fault identification

Trane RLY1388 Relay 321702-401 this component provides the high-torqueThe 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